Capricious Sliver [Commander Masters] Human Soldier Ranger you may pay {2} and

you may pay {2} and exile this card from your hand face down

Set: Duel Decks Anthology Type: Instant Rarity: Uncommon Cost: {X}{G} Windstorm deals X damage to each creature with flying

Set: Commander 2011 Type: Instant // Instant Rarity: Uncommon Cost: {1}{R} // {1}{U}

and Kira is the great unraveler

In their final moments

Capricious Sliver [Commander Masters] Human Soldier Ranger you may pay {2} andSet: Commander Masters Type: Creature Sliver Rarity: Rare Cost: {3}{R} Sliver creatures you control have "Whenever this card deals combat damage to a player, exile the top card of your library. You may play that card this turn." They hunt on pure instinct, driven by the will of the hive mind with no time wasted on independent thought.