Urza, Lord High Artificer - Modern Horizons (MH1) Deck Box even the sky is within

even the sky is within reach

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

Players representing different Mayan tribes place their workers on giant connected gears

add {C}{C} instead

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn

Urza, Lord High Artificer - Modern Horizons (MH1) Deck Box even the sky is withinWhen 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.