+keg (2)
At the beginning of your upkeep, sacrifice Goblin Boom Keg.
When Goblin Boom Keg is put into a graveyard from the battlefield, it deals 3 damage to any target.
At the beginning of your upkeep, you may put a fuse counter on Powder Keg.
, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg.
Gatherer works better in the Companion app!