Raticate (6/18) [Southern Islands] Sea Serpent destroy this card unless you

destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Dragon-Type monster in your hand

Set: Theros Beyond Death Promos Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {2}{W} Indestructible

Set: Darksteel Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +2/+2 and has protection from red and from blue

Set: Diamond & Pearl: Legends Awakened Type: Fighting Rarity: Holo Rare

Set: Theros Type: Legendary Enchantment Artifact Rarity: Rare Cost: {2}{B}{B} Creatures you control have lifelink

Raticate (6/18) [Southern Islands] Sea Serpent destroy this card unless youSet: Southern Islands Type: Colorless Rarity: Promo