Powder Keg [Urza's Destiny] ARC151-C return that card to the

return that card to the battlefield under your control if it's a Samurai card

Set: Promo Finish: Cold Foil Type: Weapon Subtype: Bow (2H) Rarity: Promo Class: Ranger Once per Turn Action - [1 Resource]: If you have no cards in your arsenal

Set: Dynasty Finish: Regular Type: Action Subtype: Attack Rarity: Majestic Class: Mechanologist Cost: 1 Power: 4 When this attacks a hero

If the chosen card is cast as a spell

Powder Keg [Urza's Destiny] ARC151-C return that card to theSet: 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.