
{1}, {T}: Put a charge counter on this artifact, then you may cast an instant or sorcery spell with mana value equal to the number of charge counters on this artifact from your hand without paying its mana cost.
{3}, {T}, Remove X charge counters from this artifact: Scry X.
Brain in a Jar has 3 printings, first in Shadows over Innistrad (2016). EDHREC ranks it #19,021 among Commander cards. It appears most in Celeborn the Wise decks (5 on EDHREC). It has 4 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.