Crobat (2/113) (Delta Species) [EX: Delta Species] XY52 Then see your opponent''s hand

Then see your opponent''s hand and discard all copies of the declared card in his/her hand to the Graveyard

The Battle of Chaos booster set contains 100* new cards:

your opponent cannot target it with card effects until the end of their turn (even if this card leaves the field)

Set: Phantom Darkness Card type: Effect Monster Rarity: Secret Rare Attack: 1700 Defense: 2200 When this card is Normal Summoned

if you have a Spellcaster-Type monster on your side of the field or in your Graveyard: You can return 1 "Spellbook" Spell Card from your Graveyard to the bottom of your Deck

Crobat (2/113) (Delta Species) [EX: Delta Species] XY52 Then see your opponent''s handSet: EX: Delta Species Type: Grass,Metal Rarity: Holo Rare Retreat cost: 0