Lavabrink Floodgates
Lavabrink Floodgates
{T}: Add {R}{R}.\nAt the beginning of each player's upkeep, that player may put a doom counter on this artifact or remove a doom counter from it. Then if it has three or more doom counters on it, sacrifice this artifact. When you do, it deals 6 damage to each creature.
Artifacts Matter Board Wipes Burn Counters Matter Doom Counters Interaction Mana Rock Ramp Stax