Crystal Seer [TAEV-EN031] Ultra Rare 276 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

when another Level 5 or higher monster activates its effect on the field: You can negate the activation

that Set card cannot be activated this turn

all of them on your side of the field are sent to the Graveyard

a Fusion Monster can be Fusion Summoned without using "Polymerization"

Crystal Seer [TAEV-EN031] Ultra Rare 276 Then see your opponent's handSet: Tactical Evolution Card type: Effect Monster Rarity: Ultra Rare Attack: 100 Defense: 100 FLIP: 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.