Crystal Seer (UTR) (TAEV-EN031) - Tactical Evolution Unlimited Condition:Heavily Played When any player's monster declares

When any player's monster declares an attack: You can detach 1 Xyz Material from this card

Card TextWhen this card is destroyed by battle with an opponent's monster

Your opponent cannot activate Spell/Trap Card in response to this effect's activation

you can Tribute Summon this card face-up with 1 Tribute

take control of that target

Crystal Seer (UTR) (TAEV-EN031) - Tactical Evolution Unlimited Condition:Heavily Played When any player's monster declaresTypeSpellcaster Flip Effect Monster AttributeWATER Level Rank1 ATK DEF100 100 Card TextFLIP: Pick up 2 cards from the top of your Deck. Select 1 of those cards and add it to your hand, and put the other card on the bottom of your Deck.