Urza, Lord High Artificer - [Borderless] Dominaria Remastered (DMR) MIC "What was heads again

"What was heads again

Turn back now or suffer an ignoble death far from your home

Its wings were only designed to be ornamental

{T}: Add one mana of any color among legendary creatures and planeswalkers you control

Urza, Lord High Artificer - [Borderless] Dominaria Remastered (DMR) MIC "What was heads againWhen 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.