Usually visible despite its phantom existence.
If this card is Special Summoned by the effect of a "Metaphys" monster: You can banish all other face-up Special Summoned monsters on the field. If this card is banished, during the Standby Phase of the next turn: You can shuffle this banished card into the Deck; banish 1 "Metaphys" card from your Deck, except "Metaphys Daedalus".
[ Pendulum Effect ]
When your monster is targeted for an attack: You can target 1 of your "Metaphys" monsters that is banished or in your GY; banish this card, and if you do, Special Summon that monster in Attack Position. You can only use this effect of "Metaphys Decoy Dragon" once per turn.
When your monster is targeted for an attack: You can target 1 of your "Metaphys" monsters that is banished or in your GY; banish this card, and if you do, Special Summon that monster in Attack Position. During the Standby Phase of the next turn after this card was banished: You can Special Summon this banished card. You can only use each effect of "Metaphys Decoy Dragon" once per turn.
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 5 "Metaphys" cards with different names from your GY and/or face-up from your field. Cannot be destroyed, or banished, by card effects. Once per turn, if your opponent controls more cards than you do: You can target 1 of your banished "Metaphys" monsters; Special Summon it, but banish it during the End Phase of the next turn.
1 Tuner + 1+ non-Tuner monsters
If this card is Synchro Summoned: You can activate the appropriate effect(s), depending on the non-Tuner monster(s) used as Synchro Material;
● Normal Monster: This face-up card is unaffected by other card effects this turn.
● Effect Monster: You can target 1 other face-up card on the field; negate that target's effects.
● Pendulum Monster: Your opponent chooses 1 monster they control and gives control of it to you, but it cannot attack this turn.
If this card is Special Summoned by the effect of a "Metaphys" monster: You can banish all Set Spells and Traps on the field. If this card is banished, during the Standby Phase of the next turn: You can shuffle this banished card into the Deck; add 1 "Metaphys" card from your Deck to your hand, except "Metaphys Nephthys".
If this card is Normal or Special Summoned: You can banish the top 3 cards of your Deck, and if you do, this card gains 300 ATK for each "Metaphys" card banished by this effect. When this card inflicts battle damage to your opponent: You can Special Summon 1 Level 5 or higher "Metaphys" monster from your Deck, but banish it during the End Phase of the next turn. You can only use each effect of "Metaphys Ragnarok" once per turn.
If this card was Special Summoned by the effect of a "Metaphys" monster, it is unaffected by Trap effects, also if it attacks a monster, it can make a second attack in a row. If this card is banished, during the Standby Phase of the next turn: You can shuffle this banished card into the Deck; Special Summon 1 "Metaphys" monster from your hand, but banish it during the End Phase of the next turn.