The Master of Keys (Borderless) [Duskmourn: House of Horror Commander] Urza daring to challenge the great

daring to challenge the great Sandworms

return Lucius the Eternal from exile to the battlefield under its owner's control

Set: Murders at Karlov Manor Commander Type: Instant Rarity: Rare Cost: {3}{W} Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control

all creatures that opponent controls attack if able

and appeals to both families and experienced gamers

The Master of Keys (Borderless) [Duskmourn: House of Horror Commander] Urza daring to challenge the greatSet: 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.)