Defiler of Vigor (Promo Pack) [Dominaria United Promos] Sliver You may cast that card

You may cast that card without paying its mana cost for as long as it remains exiled

Set: Onslaught Type: Creature — Zombie Giant Rarity: Rare Cost: {3}{B}{B} Tap three untapped Clerics you control: Return Gangrenous Goliath from your graveyard to your hand

Ob Nixilis Type: Creature — Vampire Rarity: Uncommon Cost: {1}{B} When Carrier Thrall dies

the goblin is stupid

Defiler of Vigor (Promo Pack) [Dominaria United Promos] Sliver You may cast that cardSet: Dominaria United Promos Type: Creature Phyrexian Wurm Rarity: Rare Cost: {3}{G}{G} Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1 +1 counter on each creature you control.