Goblin Biker Grand Bash
Continuous Spell"Goblin" monsters you control gain 300 ATK for each "Goblin" monster you control. During your Main Phase, you can Normal Summon 1 "Goblin" monster, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) You can target 2 "Goblin" monsters you control, then activate 1 of these effects;
â—Ź Make the Level of 1 of the monsters become the current Level of the other.
â—Ź Both of their Levels become their combined original Levels.
You can only use this effect of "Goblin Biker Grand Bash" once per turn.
Goblin Biker Grand Breakout 7
Quick-Play SpellTribute 1 monster; Special Summon 1 "Goblin" monster from your Deck, but it cannot attack this turn. When a monster declares an attack: You can banish this card from your GY and detach any number of materials from "Goblin" Xyz Monsters you control; all monsters your opponent currently controls lose 1000 ATK for each material detached, until the end of this turn. You can only use each effect of "Goblin Biker Grand Breakout" once per turn.
Goblin Biker Grand Crisis
Continuous TrapYou can target 1 "Goblin" monster you control and 1 monster your opponent controls, or target 1 "Goblin" monster in your GY and 1 monster in your opponent's GY; banish both monsters. You can send this face-up card from the Spell & Trap Zone to the GY, then target 5 of your banished "Goblin" monsters with different names; Special Summon them. You can only use 1 "Goblin Biker Grand Crisis" effect per turn, and only once that turn.
Goblin Biker Grand Entrance 20
Normal SpellAdd 1 "Goblin" monster from your Deck to your hand, then you can apply the following effect.
â—Ź Detach 1 Xyz Material from a monster on either field, and if you do, Special Summon 1 Level 4 or lower "Goblin" monster from your hand.
You can banish this card from your GY; detach 1 Xyz Material from a monster on either field, then you can add 1 "Goblin" monster from your GY to your hand. You can only use each effect of "Goblin Biker Grand Entrance" once per turn.
Goblin Biker Grand Pileup
Normal TrapTarget 1 Xyz Monster you control; Special Summon 1 "Goblin" Xyz Monster from your Extra Deck, by using that target as material, and if you do, attach this card to it as material. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can banish this card from your GY, then target 1 "Goblin" Xyz Monster you control and 1 card in either GY; attach the targeted card from the GY to that monster on the field as material. You can only use each effect of "Goblin Biker Grand Pileup" once per turn.
Goblin Biker Grand Stampede
Continuous TrapDuring the Main Phase, you can: Immediately after this effect resolves, Xyz Summon 1 Xyz Monster, using only "Goblin" monsters you control. If you control a "Goblin" Xyz Monster: You can target 1 Effect Monster on the field; detach 1 Xyz Material from a monster on either field, and if you do, negate that monster's effects until the end of this turn. You can only use 1 "Goblin Biker Grand Stampede" effect per turn, and only once that turn.