Underground Tower
Land-Plains Swamp (Rare)

(Tap: Add W or B to your mana pool.)

At the beginning of your upkeep, Underground Tower deals 1 damage to target creature you control.

1, Tap: Target land becomes a 2/2 black Skeleton Wizard creature until end of turn. It's still a land.

2W, Tap: Put a 1/1 Soldier creature token onto the battlefield.

Steve Nielsen