Powder Keg [Urza's Destiny] R+20 this costs you a round

this costs you a round

Sacrifice another artifact: Proliferate

Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield

Now you can have Starscream as your own in Target Exclusive Pop

Take on the role of Oogie Boogie and strive to dethrone Jack Skellington

Powder Keg [Urza's Destiny] R+20 this costs you a roundSet: Urza's Destiny Type: Artifact Rarity: Rare Cost: {2} At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg.