Promise of Loyalty 
Sorcery
"It's us against the world. Forever."
Artist:
Sara WintersShare:
Text:
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
Rulings:
No rulings foundLegality:
- standard: Not legal
- future: Not legal
- historic: Not legal
- gladiator: Not legal
- pioneer: Not legal
- modern: Not legal
- legacy: Legal
- pauper: Not legal
- vintage: Legal
- penny: Not legal
- commander: Legal
- brawl: Not legal
- duel: Legal
- oldschool: Not legal
- premodern: Not legal
- historicbrawl: Not legal
- paupercommander: Not legal
- alchemy: Not legal
- explorer: Not legal
- predh: Not legal
- oathbreaker: Legal
- timeless: Not legal
- standardbrawl: Not legal
