Artifact
Horizon Stone
If you would lose unspent mana, that mana becomes colorless instead.
From Magic: The Gathering.
Exact printings
- Commander Legends - #315 · rare · FOIL · EN
- Commander Legends - #694 · rare · FOIL · EN
- Magic Online Promos - #85962 · rare · FOIL · EN
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o7jd84my7pb1h0ln7dioa.