Powder Keg [Magic Player Rewards 2004] 117 ) You can discard 1

) You can discard 1 card from your hand to negate the activation of a Spell or Trap Card and destroy it

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

Set: Pharaoh's Servant Card type: Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 2300 The ATK of this card increases by 500 points for every Dragon-Type monster on your opponent''s side of the field and Graveyard

You can only use each effect of "Unchained Twins - Aruha" once per turn

Powder Keg [Magic Player Rewards 2004] 117 ) You can discard 1Set: 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.