Spinerock Marsh
Land-Swamp Mountain (Rare)

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

When Spinerock Marsh enters the battlefield, sacrifice it unless you pay R.

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

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

Chippy Schuler