Saltcrusted Ruins
Land (Rare)

Saltcrusted Ruins enters the battlefield tapped unless you reveal a monocolored card from your hand.

W, Tap: Add GG to your mana pool.

G, Tap: Add WW to your mana pool.

2G: Saltcrusted Ruins becomes a 2/2 green and white Knight creature with trample until end of turn. It's still a land.

Douglas Schuler