Mountain Ruins
Land (Rare)

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

Tap: Add B or R to your mana pool.

Put Mountain Ruins on top of your library: Add 1 to your mana pool.

1R: Mountain Ruins becomes a 1/1 black and red Beast creature with first strike until end of turn. It's still a land.

Jesper Argyle