Caller of the Claw [Commander 2015] Phyrexian Imp whenever you cast an instant

whenever you cast an instant or sorcery spell

Set: Commander 2013 Type: Sorcery Rarity: Rare Cost: {X}{R}{R} Kicker {R} (You may pay an additional {R} as you cast this spell

put it on the bottom of its owner's library instead of into that player's graveyard

Set: Ice Age Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

All creatures able to block Ochran Assassin do so

Caller of the Claw [Commander 2015] Phyrexian Imp whenever you cast an instantSet: Commander 2015 Type: Creature Elf Rarity: Rare Cost: {2}{G} Flash When Caller of the Claw enters the battlefield, create a 2 2 green Bear creature token for each nontoken creature put into your graveyard from the battlefield this turn.