
Whenever a permanent becomes untapped, that permanent's controller mills a card.
Mesmeric Orb has 7 printings, first in Mirrodin (2003). EDHREC ranks it #1,098 among Commander cards. It appears most in The Wise Mothman decks (21,111 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.