Palm Ryzeal

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by shuffling 1 "Ryzeal" monster from your hand or GY into the Deck/Extra Deck. You cannot Special Summon from the Extra Deck, except Rank 4 Xyz Monsters. Once per turn, during damage calculation, if this card battles an opponent's monster: You can send 1 Level 4 monster from your hand or Deck to the GY, and if you do, this card gains ATK equal to that monster's ATK, until the end of the Battle Phase.

Texto oficial disponible solo en inglés.