
{T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability.
Guidelight Optimizer has 1 printing, first in Aetherdrift (2025). EDHREC ranks it #10,963 among Commander cards. It appears most in Winter, Cursed Rider decks (270 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.