CardHeaven
Horizon Stone
Artifact
If you would lose unspent mana, that mana becomes colorless instead.
Illustrated by Noah Bradley
#4,120 most played card in Commander (EDHREC)
Legalities
- Not legalStandard
- Not legalAlchemy
- Not legalPioneer
- Not legalHistoric
- Not legalModern
- Not legalBrawl
- LegalLegacy
- Not legalTimeless
- LegalVintage
- Not legalPauper
- LegalCommander
- Not legalPenny
- LegalOathbreaker
