
Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card. Then put the cards you revealed this way on the bottom of your library in any order.
Sanity Grinding has 1 printing, first in Eventide (2008). EDHREC ranks it #24,452 among Commander cards. It has 3 official rulings.
Cards that show up in the same decks on EDHREC.