Urza, Lord High Artificer [Modern Horizons] Arena League 2001 You can't choose the same

You can't choose the same card twice

Set: Odyssey Type: Creature — Dwarf Rarity: Uncommon Cost: {2}{R} When Dwarven Recruiter enters the battlefield

Set: New Phyrexia Prerelease Promos Type: Artifact Creature — Phyrexian Shapeshifter Rarity: Rare Cost: {3}{U/P} ({U/P} can be paid with either {U} or 2 life

Set: Commander 2018 Type: Artifact Rarity: Rare Cost: {4} Untap all artifacts you control during each other player's untap step

−2: When you cast your next instant or sorcery spell from your hand this turn

Urza, Lord High Artificer [Modern Horizons] Arena League 2001 You can't choose the sameSet: 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.