Zombie Mammoth
Level 4 EARTH/Zombie Effect1900 ATK / 0 DEF
Destroy this card if you do not have a Zombie-Type monster in your Graveyard. When this face-up card is destroyed, inflict damage to its controller equal to its original ATK.
Zombie Master
Level 4 DARK/Zombie Effect1800 ATK / 0 DEF
Once per turn: You can send 1 monster from your hand to the GY, then target 1 Level 4 or lower Zombie monster in either GY; Special Summon that target. This monster must be face-up on the field to activate and to resolve this effect.
Zombina
Level 4 EARTH/Zombie Effect1400 ATK / 1500 DEF
If this card in its owner's possession is destroyed by an opponent's card: You can target 1 Level 4 or lower monster in your GY, except "Zombina"; Special Summon it.
Zombino
Level 4 EARTH/Zombie Normal2000 ATK / 0 DEF
The two are so close
They die and return to life
Inseparable
Zombyra the Dark
Level 4 DARK/Warrior Effect2100 ATK / 500 DEF
This card cannot attack your opponent directly. If this card destroys a monster by battle: This card loses 200 ATK.
Zoodiac Boarbow
Level 4 EARTH/Beast-Warrior Xyz Effect? ATK / ? DEF
5 Level 4 monsters
Once per turn, you can also Xyz Summon "Zoodiac Boarbow" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. This card can attack your opponent directly. When this card inflicts battle damage to your opponent while it has 12 or more Xyz Materials: You can send as many cards as possible from your opponent's hand and field to the Graveyard, then change this card to Defense Position.
Zoodiac Broadbull 
66
Level 4 EARTH/Beast-Warrior Xyz Effect? ATK / ? DEF
2 Level 4 monsters
Once per turn, you can also Xyz Summon "Zoodiac Broadbull" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. Once per turn: You can detach 1 Xyz Material from this card; add 1 Beast-Warrior-Type monster, that can be Normal Summoned/Set, from your Deck to your hand.
Zoodiac Bunnyblast
Level 4 EARTH/Beast-Warrior Effect800 ATK / 800 DEF
If this card is destroyed by battle or card effect: You can target 1 "Zoodiac" card in your Graveyard, except "Zoodiac Bunnyblast"; add it to your hand. An Xyz Monster whose original Type is Beast-Warrior and has this card as Xyz Material gains this effect.
â—Ź During either player's turn, when your opponent activates a Spell Card or effect that targets this card: You can detach 1 Xyz Material from this card; negate the activation.
Zoodiac Chakanine
Level 4 EARTH/Beast-Warrior Xyz Effect? ATK / ? DEF
2 or more Level 4 monsters
Once per turn, you can also Xyz Summon "Zoodiac Chakanine" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. Once per turn: You can detach 1 Xyz Material from this card, then target 1 "Zoodiac" monster in your Graveyard; Special Summon it, but for the rest of this turn, it has its effects negated, also it cannot be used as an Xyz Material for a Summon.
Zoodiac Drident 
20
Level 4 EARTH/Beast-Warrior Xyz Effect? ATK / ? DEF
4 Level 4 monsters
Once per turn, you can also Xyz Summon "Zoodiac Drident" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up card on the field; destroy it.
Zoodiac Hammerkong
Level 4 EARTH/Beast-Warrior Xyz Effect? ATK / ? DEF
3 or more Level 4 monsters
Once per turn, you can also Xyz Summon "Zoodiac Hammerkong" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. While this card has Xyz Material, your opponent cannot target face-up "Zoodiac" monsters on the field with card effects, except this one. Once per turn, during the End Phase: Detach 1 Xyz Material from this card.
Zoodiac Kataroost
Level 4 EARTH/Beast-Warrior Effect800 ATK / 1200 DEF
If this card is destroyed by battle or card effect: You can target 1 "Zoodiac" card in your Graveyard, except "Zoodiac Kataroost"; shuffle it into the Deck. An Xyz Monster whose original Type is Beast-Warrior and has this card as Xyz Material gains this effect.
â—Ź During either player's turn, when your opponent activates a monster effect that targets this card: You can detach 1 Xyz Material from this card; negate the activation.
Zoodiac Ramram
Level 4 EARTH/Beast-Warrior Effect400 ATK / 2000 DEF
If this card is destroyed by battle or card effect: You can target 1 "Zoodiac" monster in your GY, except "Zoodiac Ramram"; Special Summon it. An Xyz Monster whose original Type is Beast-Warrior and has this card as material gains this effect.
â—Ź When your opponent activates a Trap Card or effect that targets this card (Quick Effect): You can detach 1 material from this card; negate the activation.
Zoodiac Ratpier 50
Level 4 EARTH/Beast-Warrior Effect0 ATK / 0 DEF
If this card is Normal Summoned: You can send 1 "Zoodiac" card from your Deck to the Graveyard. An Xyz Monster whose original Type is Beast-Warrior and has this card as Xyz Material gains this effect.
â—Ź Once per turn: You can detach 1 Xyz Material from this card; Special Summon 1 "Zoodiac Ratpier" from your hand or Deck.
Zoodiac Thoroughblade
Level 4 EARTH/Beast-Warrior Effect1600 ATK / 0 DEF
If this card is Normal or Special Summoned: You can discard 1 "Zoodiac" card, and if you do, draw 1 card. An Xyz Monster whose original Type is Beast-Warrior and has this card as Xyz Material gains this effect.
â—Ź If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.
Zoodiac Tigermortar
Level 4 EARTH/Beast-Warrior Xyz Effect? ATK / ? DEF
3 Level 4 monsters
Once per turn, you can also Xyz Summon "Zoodiac Tigermortar" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. Once per turn: You can detach 1 Xyz Material from this card, then target 1 Xyz Monster you control and 1 "Zoodiac" monster in your Graveyard; attach that "Zoodiac" monster to that Xyz Monster as Xyz Material.
Zoodiac Whiptail
Level 4 EARTH/Beast-Warrior Effect1200 ATK / 400 DEF
(Quick Effect): You can target 1 Beast-Warrior Xyz Monster you control; attach this card from your hand or field to it as material. An Xyz Monster whose original Type is Beast-Warrior and has this card as material gains this effect.
â—Ź If this card battles an opponent's monster, after damage calculation: Banish that opponent's monster.
Zoroa, the Magistus of Flame
Level 4 FIRE/Spellcaster Tuner Effect1500 ATK / 1500 DEF
You can target 1 "Magistus" monster you control; equip it with 1 "Magistus" monster from your Extra Deck. If this card becomes equipped with a "Magistus" Monster Card: You can Special Summon 1 Level 4 Spellcaster monster from your hand or GY in Defense Position, except "Zoroa, the Magistus of Flame", but its effects are negated. You can only use each effect of "Zoroa, the Magistus of Flame" once per turn.
ZS - Armed Sage
Level 4 LIGHT/Warrior Effect300 ATK / 900 DEF
If the only monster you control is 1 Level 4 monster not named "ZS - Armed Sage", you can Special Summon this card (from your hand). A "Utopia" Xyz Monster that was Summoned using this card on the field as material gains this effect.
â—Ź If this card is Xyz Summoned: You can add 1 "ZW -" monster from your Deck to your hand.
You can only use this effect of "ZS - Armed Sage" once per turn.
ZS - Ascended Sage
Level 4 LIGHT/Warrior Effect900 ATK / 300 DEF
If you control no cards, you can Special Summon this card (from your hand). A "Utopia" Xyz Monster that was Summoned using this card on the field as material gains this effect.
â—Ź If this card is Xyz Summoned: You can add 1 "Rank-Up-Magic" Normal Spell from your Deck to your hand.
You can only use this effect of "ZS - Ascended Sage" once per turn.
ZS - Utopic Sage
Level 4 LIGHT/Warrior Xyz Effect2000 ATK / 2500 DEF
2 Level 4 monsters
You can detach 2 materials from this card; Special Summon 1 "ZW -" or "ZS -" monster from your Deck, also for the rest of this turn, you can only attack with "Number" monsters, and you cannot Special Summon from the Extra Deck, except Xyz Monsters. You can only use this effect of "ZS - Utopic Sage" once per turn. If a "Utopia" or "Utopic" Xyz Monster(s) you control whose original Attribute is LIGHT would be destroyed by battle or card effect, except "ZS - Utopic Sage", you can banish this card from your field or GY instead.
Zubaba General
Level 4 EARTH/Warrior Xyz Effect2000 ATK / 1000 DEF
2 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card; equip 1 Warrior-Type monster from your hand to this card. This card gains ATK equal to the combined ATK of the monsters equipped to it by this effect.
Zubababancho Gagagacoat
Level 4 EARTH/Warrior Effect1800 ATK / 100 DEF
If you control a "Zubaba" or "Gagaga" monster except "Zubababancho Gagagacoat", while this card is in your hand: You can Special Summon this card. You can target 1 "Gogogo" or "Dododo" monster in your GY; Special Summon it, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use each effect of "Zubababancho Gagagacoat" once per turn.
Zure, Knight of Dark World
Level 4 DARK/Fiend Normal1800 ATK / 1500 DEF
The name of this illustrious knight is known by all residents of Dark World. He never oppresses the commoners.
ZW - Asura Strike
Level 4 FIRE/Fairy Effect1000 ATK / 1000 DEF
You can target 1 "Utopia" monster you control; equip this monster from your hand or your side of the field to that target. It gains 1000 ATK. While this card is equipped to a monster, that monster can attack all monsters your opponent controls once each. You can only control 1 "ZW - Asura Strike".
ZW - Sleipnir Mail
Level 4 LIGHT/Beast Effect1000 ATK / 1000 DEF
You can target 1 "Utopia" monster you control; equip this monster from your hand or your side of the field to that target. It gains 1000 ATK. When this card you control is sent to your Graveyard because the equipped monster was destroyed by your opponent's card (by battle or card effect): You can target 1 "Utopia" monster in your Graveyard; Special Summon that target. You can only control 1 "ZW - Sleipnir Mail".
ZW - Sylphid Wing
Level 4 LIGHT/Beast Effect800 ATK / 1600 DEF
You can only control 1 "ZW - Sylphid Wing". You can target 1 "Utopia" monster you control; equip this card from your hand or field to it. It gains 800 ATK. Once per turn, if a monster(s) is Special Summoned by your opponent's activated effect: You can make the equipped monster gain 1600 ATK. (This ATK gain remains even if this card leaves the field or the monster becomes unaffected by card effects.) If you activate the equipped monster's effect by detaching its material, you can send this card to the GY instead of 1 of those materials.
ZW - Ultimate Shield
Level 4 EARTH/Aqua Effect0 ATK / 2000 DEF
When this card is Normal or Special Summoned: You can target 1 of your banished Xyz Monsters; Special Summon that target in face-up Defense Position. You can target 1 "Utopia" monster you control; equip this monster on the field to that target. It gains 2000 DEF. You can only control 1 face-up "ZW - Ultimate Shield".
ZW - Unicorn Spear
Level 4 LIGHT/Beast Effect1900 ATK / 0 DEF
You can target 1 "Number C39: Utopia Ray" you control; equip this card from your hand to that target. It gains 1900 ATK. If the equipped monster battles an opponent's monster, the opponent's monster's effect is negated during the Battle Phase only. You can only control 1 "ZW - Unicorn Spear".