Powder Keg [Magic Player Rewards 2004] 117 when this card destroys an

when this card destroys an opponent's monster by battle and sends it to the Graveyard

This card cannot be Destroyed as a result of battle

also your opponent takes any battle damage you would have taken from battles involving this card

Your opponent selects 1 "Crystal Beast" card from your Spell & Trap Card Zone and sends it to the Graveyard

Powder Keg [Magic Player Rewards 2004] 117 when this card destroys anSet: Magic Player Rewards 2004 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.