Dublin, Viking Stonghold

Dublin, Viking Stronghold enters the battlefield tapped.
Tap: Add {r} or {b}.

Seat of Power: Pay 2 life, {t}: Create a Treasure token. Activate this ability only if you control a Warrior or Berserker.
Legacy of the North: {2}{r}{b}, {t}, Sacrifice a Treasure: Create two 2/2 red and black Viking Warrior creature tokens with menace.