
Defender (This creature can't attack.)
When this creature enters, target player mills four cards. (They put the top four cards of their library into their graveyard.)
Wall of Lost Thoughts has 3 printings, first in Ravnica Allegiance (2019). EDHREC ranks it #14,331 among Commander cards. It appears most in Bruvac the Grandiloquent decks (903 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.