Powder Keg (Jakub Slemr) [World Championship Decks 1999] Magic 2010 or abilities requiring an activation

or abilities requiring an activation cost

Whenever you cast a spell

{T}: Regenerate target creature

Set: Limited Edition Alpha Type: Creature — Djinn Rarity: Rare Cost: {4}{U}{U} Flying (This creature can't be blocked except by creatures with flying or reach

Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered the battlefield

Powder Keg (Jakub Slemr) [World Championship Decks 1999] Magic 2010 or abilities requiring an activationSet: World Championship Decks 1999 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 converted mana cost equal to the number of fuse counters on Powder Keg.