Dragonskull Forge
Land (Rare)

Dragonskull Forge enters the battlefield tapped unless you control two or more creatures.

Tap: Add B or R to your mana pool.

Sacrifice Dragonskull Forge: Add B or R to your mana pool.

1R: Dragonskull Forge becomes a 1/1 black and red Cleric creature with first strike until end of turn. It's still a land.

James Walker