Smoldering Shoal
Land (Rare)

Smoldering Shoal enters the battlefield tapped unless you reveal a basic land card from your hand.

R, Tap: Add UU to your mana pool.

U, Tap: Add RR to your mana pool.

1: Smoldering Shoal becomes a 2/2 red Troll creature until end of turn. It's still a land.

Douglas Pollack