The Master of Keys (Borderless) [Duskmourn: House of Horror Commander] Urza there is an additional untap

there is an additional untap step

Corrupted Metalcraft — As long as you control three or more artifacts and an opponent has three or more poison counters

(S is mana from a snow source

Set: Streets of New Capenna Commander Promos Type: Enchantment — Aura Rarity: Rare Cost: {2}{G} Enchant creature

all creatures that opponent controls attack if able

The Master of Keys (Borderless) [Duskmourn: House of Horror Commander] Urza there is an additional untapSet: Duskmourn: House of Horror Commander Type: Legendary Enchantment Creature Horror Rarity: Mythic Cost: {X}{W}{U}{B} Flying When The Master of Keys enters, put X +1 +1 counters on it and mill twice X cards. Each enchantment card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)