Urza, Lord High Artificer [Modern Horizons] Gatecrash The other Synchro Material Monster(s)

The other Synchro Material Monster(s) cannot be Level 4

Set: War of the Spark Promos Type: Legendary Planeswalker — Kiora Rarity: Uncommon Cost: {2}{G/U} Whenever a creature with power 4 or greater enters the battlefield under your control

Counter target noncreature spell

Set: Alpha Edition Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

then Set all face-up monsters currently on the field

Urza, Lord High Artificer [Modern Horizons] Gatecrash The other Synchro Material Monster(s)Set: 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.