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Goblin Boom Keg | Artifact | | 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. | Viktor Titov
Ugin's Construct | Artifact Creature | Construct | When Ugin's Construct enters the battlefield, sacrifice a permanent that's one or more colors. | Peter Mohrbacher
