You can only activate the (2) effect of “Crystal Rose” once per turn.
(1): Once per turn, during your Main Phase, send 1 “Gem-Knight” or 1 “Melodious” monster from your hand or Deck to the Graveyard. Until the end of the turn, this card’s name is treated the same as the one sent to the Graveyard by this effect.
(2): If this card is in your Graveyard, you can Banish 1 Fusion Monster in your Graveyard. Special Summon this card in face-up Defense Position.
ATK 500/DEF 500