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 converted mana cost equal to the number of fuse counters on Powder Keg.
Near Mint - $4.400
Lightly Played - $3.500
Moderately Played - $3.100
Heavily Played - $2.600
Damaged - $2.200
Near Mint Spanish - $4.400
Lightly Played Spanish - $3.500
Moderately Played Spanish - $3.100
Heavily Played Spanish - $2.600
Damaged Spanish - $2.200