
You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.
Stinging Study has 4 printings, first in Commander 2021 (2021). EDHREC ranks it #3,425 among Commander cards. It appears most in Witherbloom, the Balancer decks (7,865 on EDHREC). 1 public deck on TCG runs it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.