Urza, Lord High Artificer (Borderless Alternate Art) [Dominaria Remastered] Metal[+20] whenever one or more Gorgons

whenever one or more Gorgons and/or Snakes you control deal combat damage to a player

Set: EX: Unseen Forces Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Kids WB Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

and the second piece of the combat damage trigger on the second chosen one

Urza, Lord High Artificer (Borderless Alternate Art) [Dominaria Remastered] Metal[+20] whenever one or more GorgonsSet: 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.