
Target player discards a card.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
Mental Vapors has 1 printing, first in Gatecrash (2013). EDHREC ranks it #23,268 among Commander cards. It appears most in Gríma, Saruman's Footman decks (61 on EDHREC). It has 11 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.