Contamination [Urza's Saga] Junior Super Series Sacrifice Powder Keg: Destroy each

Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Rare Cost: {G} Enchant creature (Target a creature as you cast this

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

Set: Alpha Edition Type: Artifact Creature — Wall Rarity: Uncommon Cost: {4} Defender (This creature can't attack

Contamination [Urza's Saga] Junior Super Series Sacrifice Powder Keg: Destroy eachSet: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount.