Crystal Abundance (FOTB-EN035) - Force of the Breaker Unlimited

Send 4 "Crystal Beast" cards from your Spell & Trap Card Zone to the Graveyard. Send all cards on the field to the Graveyard. Then, Special Summon as many "Crystal Beast" monsters as possible from your Graveyard, up to the number of your opponent's cards that were sent to the Graveyard by this card's effect.