Grave Necropolis
Land-Swamp Mountain (Rare)

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

Grave Necropolis enters the battlefield tapped unless you pay 3 life.

1BB, Tap, Sacrifice Grave Necropolis: Target player discards a card.

2, Tap: Target land becomes a 3/3 red Giant creature until end of turn. It's still a land.

Mark Deschamps