Capricious Sliver [Commander Masters] SPA Defensor imperterrito warning his foes that he's

warning his foes that he's not easily defeated

Set: Guilds of Ravnica Type: Instant Rare Cost: {1}{U}{R} Counter target spell

Set: Fourth Edition Type: Creature — Human Shaman Common Cost: {1}{R}{R} {T}: Add {R}

and hum a tune to let them know you mean no harm

but few ways out

Capricious Sliver [Commander Masters] SPA Defensor imperterrito warning his foes that he'sSet: 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.