
Surveil 5. (Look at the top five cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Contingency Plan has 2 printings, first in Eldritch Moon (2016). EDHREC ranks it #12,287 among Commander cards. It appears most in Mirko, Obsessive Theorist decks (818 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.