Ephemerate (Japanese Foil Etched) [Strixhaven: Mystical Archive] XY87 if your opponent's LP is

if your opponent's LP is 4000 or less: You can make this card gain ATK equal to your opponent's LP

Set: Aquapolis Type: Special Energy Rarity: Rare

inflict damage to your opponent equal to the combined original ATK of those destroyed monster(s)

As long as you have a ship on a planet

Ephemerate (Japanese Foil Etched) [Strixhaven: Mystical Archive] XY87 if your opponent's LP isSet: Strixhaven: Mystical Archive Type: Instant Rarity: Rare Cost: {W} Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)