Rivaz of the Claw [Dominaria United] Plains Swamp Forest Creatures you control also get

Creatures you control also get +1/+0 and have double strike as long as you control nine or more creatures

Set: Fifth Dawn Type: Artifact Rarity: Rare Cost: {8} If a player would draw a card

Set: Commander Anthology Type: Land Rarity: Uncommon {T}: Add {C}

The market is now a part of the board

Rivaz of the Claw [Dominaria United] Plains Swamp Forest Creatures you control also getSet: Dominaria United 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."