Rivaz of the Claw [Dominaria United Prerelease Promos] Elemental Horror 000 Type: Artifact Rarity: Common

000 Type: Artifact Rarity: Common Cost: {2} {T}: Add one mana of any color in your commander's color identity

" and has "WUBRG: Exile target artifact

but that hammer rings a bell

If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger

Rivaz of the Claw [Dominaria United Prerelease Promos] Elemental Horror 000 Type: Artifact Rarity: CommonSet: Dominaria United Prerelease Promos Type: Legendary Creature Viashino Warlock Rarity: Rare Cost: {1}{B}{R} Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it."