Unlike Diabos and Attractors, which Tribute Summon to you, depending on the situation, it may be worth a normal Tribute Summon
If a card is Limited, though, you're only allowed one
What are you using Green for
During the End Phase, if this card is in your GY because it was destroyed in your Monster Zone by an opponent's card and sent there this turn: Target 1 face-up monster your opponent controls
C Common Crystal Conclave X TRAP Continuous Once per turn, if a face-up "Crystal Beast" monster(s) you control is destroyed by battle or card effect: You can Special Summon 1 "Crystal Beast" monster from your Deck
Youll need to keep an eye on your lifepoints and watch for signs that Akiza will use Black Rose Dragons ability to destroy every card on the field