Entei EX (13/108) [Black & White: Dark Explorers] SWSH153 Megatron deals damage equal to

Megatron deals damage equal to the sacrificed artifact's mana value to target creature

but you are my universe

Set: The Lord of the Rings: Tales of Middle-Earth Prerelease Promos Type: Legendary Creature — Avatar Horror Rarity: Rare Cost: {3}{B}{B} Menace

Set: Streets of New Capenna Commander Promos Type: Instant Rarity: Rare Cost: {X}{1}{U} Each of X target creatures you control connive

Set: Neo Discovery 1st Edition Type: Darkness Rarity: Rare Retreat cost: Colorless

Entei EX (13/108) [Black & White: Dark Explorers] SWSH153 Megatron deals damage equal toSet: Black & White: Dark Explorers Type: Fire Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless