Tiamat [Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos] Cat Shaman a butterfly flapping its wings

a butterfly flapping its wings is insufficient

where X is that creature's mana value

that player may pay {2}

Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying

enter the first room or advance to the next room

Tiamat [Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos] Cat Shaman a butterfly flapping its wingsSet: Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos Type: Legendary Creature Dragon God Rarity: Mythic Cost: {2}{W}{U}{B}{R}{G} Flying When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle. "My children will rule over all!"