
Investigate, then target creature gets +1/+1 until end of turn for each Clue you control. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Confront the Unknown has 2 printings, first in Shadows over Innistrad (2016). EDHREC ranks it #14,013 among Commander cards. It appears most in Lonis, Cryptozoologist decks (1,403 on EDHREC). It has 5 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.