
When this creature enters, choose up to one —
• Target creature becomes prepared. (Only creatures with prepare spells can become prepared.)
• Target creature becomes unprepared.
Biblioplex Tomekeeper has 1 printing, first in Secrets of Strixhaven (2026). EDHREC ranks it #18,391 among Commander cards. It appears most in Sanar, Unfinished Genius // Wild Idea decks (71 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.