Urza, Lord High Artificer (Retro) [Modern Horizons] Gold Rare You cannot Normal/Set or Special

You cannot Normal/Set or Special Summon other monsters the turn you activate this effect

then Set all face-up monsters currently on the field

Set: HeartGold & SoulSilver: Call of Legends Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Unleashed Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Evolutions Type: Water Rarity: Holo Rare Retreat cost: Colorless

Urza, Lord High Artificer (Retro) [Modern Horizons] Gold Rare You cannot Normal/Set or 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.