Urza, Lord High Artificer (Retro) [Modern Horizons] 93 when a Spell/Trap Card or

when a Spell/Trap Card or effect is activated (Quick Effect): You can negate the activation

Add it to your hand

you may put a Goblin creature card from your hand onto the battlefield

If a monster(s) your opponent controls is sent to the GY (except during the Damage Step): You can add 1 LIGHT or DARK Reptile monster from your Deck or GY to your hand

you may pay {R}{R}{R}

Urza, Lord High Artificer (Retro) [Modern Horizons] 93 when a Spell/Trap Card orSet: 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.