Imposter Professor Oak (102/130) [Base Set 2] Basic Water Energy if you do not control

if you do not control a card in your Field Zone: You can activate 1 “Necrovalley” from your hand or GY

Set: Duel Terminal - Preview Card type: Effect Monster Rarity: Common Attack: 0 Defense: 1900 When a face-up monster you control is selected as an attack target

when a "Constellar" Xyz Monster(s) is Special Summoned face-up to your side of the field: You can draw 1 card

Set: Structure Deck: HERO Strike Card type: Normal Spell Rarity: Common Add 1 "Elemental Hero" monster from your Deck to your hand

Imposter Professor Oak (102/130) [Base Set 2] Basic Water Energy if you do not controlSet: Base Set 2 Type: Trainer Rarity: Rare