When Threefold Signal enters the battlefield, 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.)
NM-Mint Foil - $0.00
Lightly Played Foil - $0.00
Moderately Played Foil - $0.00
Heavily Played Foil - $0.00
Damaged Foil - $0.00
NM-Mint Foil Non English - $0.00
Lightly Played Foil Non English - $0.00
Moderately Played Foil Non English - $0.00
Heavily Played Foil Non English - $0.00
Damaged Foil Non English - $0.00