Erebor's Realm

{t}: add either {u} or {r} to your mana pool.

{t}, Exert this land: venture into a dungeon.

When it enters, get a 3/3 golem artifact token.

They killed a master vampire & escaped a swarm of
shadow mantises, but season eight ended dungeon
diving into the dragon's den & finding a way into
the pocket dimension that's Erebor's true home.