Keep your Cards SCs and get either of these:
https://silversonic.com/products/speaker-cables/bi-wire-jumper/?_vsrefdom=adwords&gclid=Cj0KCQjwjvXeBRDDARIsAC38TP6UT4zwAhKLBCQp5wSAOPipOu2EG9fwqoixK3XaYBtaXho_v1CzOOsaAt4DEALw_wcB
or
http://www.mazeaudio.com/speaker-jumper-cables.html
I use the DH Labs jumper cables and they work just fine.
All the best,
Nonoise
https://silversonic.com/products/speaker-cables/bi-wire-jumper/?_vsrefdom=adwords&gclid=Cj0KCQjwjvXeBRDDARIsAC38TP6UT4zwAhKLBCQp5wSAOPipOu2EG9fwqoixK3XaYBtaXho_v1CzOOsaAt4DEALw_wcB
or
http://www.mazeaudio.com/speaker-jumper-cables.html
I use the DH Labs jumper cables and they work just fine.
All the best,
Nonoise