Guidelight Optimizer
{1}{U}Artifact Creature — Robot2/1
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{T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability.
Official rulings
- You may use mana from this creature to pay the cost of any activated ability, not just abilities of artifacts. (2025-02-07)
Cards like this
Functionally similar cards by meaning — playable in Guidelight Optimizer’s colours.
