Urza, Lord High Artificer (Foil Etched) [Commander Masters] GG10 you may spend mana as

you may spend mana as though it were mana of any color to cast it

Set: Scarlet & Violet: Temporal Forces Type: Colorless Rarity: Illustration Rare Retreat cost: Colorless

you and that player each gain that much life

"Multani's heart is a seed

Set: Team Rocket 1st Edition Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Urza, Lord High Artificer (Foil Etched) [Commander Masters] GG10 you may spend mana asSet: Commander Masters 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.