Powder Keg [Urza's Destiny] Magic Player Rewards 2010 and haste until end of

and haste until end of turn

The furnace awaits the next master who would stoke the fires of apocalypse

Chains of leaping fire and sizzling lightning laid waste the artificers' handiwork

Set: Aether Revolt Prerelease Promos Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

sacrifice that many nontoken permanents

Powder Keg [Urza's Destiny] Magic Player Rewards 2010 and haste until end ofSet: 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.