Powder Keg

Artifact, 2 (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 converted mana cost equal to the number of fuse counters on Powder Keg.¹
Illus. Dan Frazier

Crystal Keep Rulings Summaries

• Only destroys artifacts and creatures with exactly the specified cost. It does not mean "less than or equal to". [Urza's Destiny FAQ 1999/05/25]
• Putting on a counter is optional. If you forget, you cannot go back later even if it is something you usually do. [D'Angelo 1999/06/01]
• Note - Also see Converted Mana Cost, Rule G3.29.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (2/7)	2004 Player Rewards Promos (Special) Urza's Destiny (Rare)