Rush of Knowledge 

Sorcery
"Limitless power is glorious until you gain limitless understanding." —Ixidor, reality sculptor
Artist:
Eric PetersonShare:
Text:
Draw cards equal to the highest mana value among permanents you control.
Rulings:
- 8/7/2020 If a permanent on the battlefield has <img src="/Handlers/Image.ashx?size=small&name=X&type=symbol" alt="Variable Colorless" align="absbottom" /> in its mana cost, X is considered to be 0.
Legality:
- standard: Not legal
- future: Not legal
- frontier: Not legal
- modern: Not legal
- legacy: Legal
- pauper: Legal
- vintage: Legal
- penny: Not legal
- commander: Legal
- 1v1: Legal
- duel: Legal
- brawl: Not legal
- oldschool: Not legal
- historic: Not legal
- pioneer: Not legal
- gladiator: Not legal
- premodern: Legal
- historicbrawl: Not legal
- paupercommander: Legal
- alchemy: Not legal
- explorer: Not legal
- predh: Legal
- oathbreaker: Legal
Sets:
-
Commander 2014 #123 (common)
-
Scourge #49 (common)
-
Double Masters #66 (uncommon)