Urza, Lord High Artificer (Retro Foil Etched) [Modern Horizons] Guilds of Ravnica Prerelease Promos This card cannot be Special

This card cannot be Special Summoned except by Tributing 3 monsters

Set: Black & White: Dragons Exalted Type: Dragon Rarity: Secret Rare Retreat cost: Colorless

you may begin the game with it on the battlefield

Sacrifice after III

Urza, Lord High Artificer (Retro Foil Etched) [Modern Horizons] Guilds of Ravnica Prerelease Promos This card cannot be SpecialSet: Modern Horizons Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters the battlefield, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.