Urza, Lord High Artificer (Borderless Alternate Art) [Dominaria Remastered] Mirrodin Besieged Prerelease Promos Megamorph {R} (You may cast

Megamorph {R} (You may cast this card face down as a 2/2 creature for {3}

Put that card onto the battlefield and the rest on the bottom of your library in any order

Set: Planar Chaos Type: Creature — Horror Rarity: Rare Cost: {3}{B}{B} Roiling Horror's power and toughness are each equal to your life total minus the life total of an opponent with the most life

and every possible interaction with the flow of magic is exhaustively detailed

Urza, Lord High Artificer (Borderless Alternate Art) [Dominaria Remastered] Mirrodin Besieged Prerelease Promos Megamorph {R} (You may castSet: Dominaria Remastered 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.