
When this artifact enters, scry 3.
Each spell you cast that's exactly three colors has replicate {3}. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies. A copy of a permanent spell becomes a token.)
Threefold Signal has 3 printings, first in New Capenna Commander (2022). EDHREC ranks it #23,889 among Commander cards. It appears most in Ezekiel Sims, Spider-Totem decks (1 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.