Powder Keg [Urza's Destiny] Standard Set: Alpha Edition Type: Instant

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {G} Target spell or permanent becomes green

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {W} When Abu Ja'far dies

Set: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {2}{W}{W} Destroy all creatures

the lowly prowl

Set: The Dark Type: Artifact Rarity: Uncommon Cost: {0} {T}

Powder Keg [Urza's Destiny] Standard Set: Alpha Edition Type: InstantSet: 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.