Urza, Lord High Artificer [Modern Horizons] Gatecrash This is but a taste

This is but a taste of the destruction my pets have in store

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

Set: Oversize Cards Rarity: Rare Pay 2 life: Search your library for any one card

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

Urza, Lord High Artificer [Modern Horizons] Gatecrash This is but a tasteSet: 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.