Urza, Lord High Artificer (Borderless Alternate Art) [Dominaria Remastered] CRU051 you may add an amount

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Set: Arabian Nights Type: Artifact Rarity: Rare Cost: {6} {2}: Choose one —

1 Ravenous Rotbelly

Where swords fail

Urza, Lord High Artificer (Borderless Alternate Art) [Dominaria Remastered] CRU051 you may add an amountSet: 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.