Powder Keg [Urza's Destiny]

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Set Name:	Urza's Destiny
Rarity, #:	Rare, #136
Card Type:	Artifact
P / T:	N/A
Card Text:	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.
Flavor Text:	N/A