Kozilek, Butcher of Truth [The List] SM189 Set: Base Set 2 Type:

Set: Base Set 2 Type: Grass Rarity: Holo Rare Retreat cost: Colorless

while this card is in your GY: You can add this card to your hand

When Regal Caracal enters the battlefield

Set: Base Set 2 Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

This explains why the goblins remain unaffected

Kozilek, Butcher of Truth [The List] SM189 Set: Base Set 2 Type:Set: The List Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.