Wooper (66/147) [Aquapolis] XY10 if its ATK is lower

if its ATK is lower than the ATK of the attack target

Set: Duel Terminal - Preview Card type: Effect Monster Rarity: Rare Attack: 2100 Defense: 1600 If your opponent controls a monster and you control no monsters

Set: Pharaoh Tour Promos Card type: Normal Monster Rarity: Common Attack: 2600 Defense: 1900

Set: Ancient Sanctuary Card type: Quick Play Spell Rarity: Ultra Rare Select and activate 1 of the following effects: *Change the Battle Position of 1 face-up monster on your opponent's side of the field

Set: Duel Terminal - Preview Card type: Normal Trap Rarity: Common Destroy 1 Spell/Trap Card your opponent controls

Wooper (66/147) [Aquapolis] XY10 if its ATK is lowerSet: Aquapolis Type: Water Rarity: Uncommon Retreat cost: Colorless