Urza's Saga - [Showcase] Modern Horizons 2 (MH2) Board Game Players may spend mana as

Players may spend mana as though it were mana of any color

Inject a little happily ever after into your deck with these unique snow lands by Alayna Danner

if that spell's mana cost or that ability's activation cost contains {X}

you win the game

Urza's Saga - [Showcase] Modern Horizons 2 (MH2) Board Game Players may spend mana as(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I Urza's Saga gains "{T}: Add {C}." II Urza's Saga gains "{2}, {T}: Create a 0 0 colorless Construct artifact creature token with 'This creature gets +1 +1 for each artifact you control.'" III Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.