UW Leo Control
out 4 Abrade, 3 Ballista, 2 Spray, 3 Unlicensed (12)
in 1 Angrath, 1 Chandra, 1 Cut, 2 Doomfall, 4 Duress, 1 Glorybringer, 1 Karn, 1 Contempt (12)
Removal isn't that great. Don't really need the ballistas to end the game.
PWs and discard

MonoGreen
out 4 Scrap, 4 ballista, 2 Spray
in 1 Angrath, 1 Chandra, 1 Cut, 2 Doomfall, 1 Glorybringer, 1 Karn, 1 Contempt
Take out things that can't kill stuff or block
PWs and removal

BG Snek
out 4 Scrap, 4 ballista, 2 Spray
in 1 Angrath, 1 Chandra, 1 Cut, 2 Doomfall, 1 Glorybringer, 1 Karn, 1 Contempt
Take out things that can't kill stuff or block
PWs and removal

MonoRed
out 4 Scrap, 2 Karn (6)
in 2 Chandra’s Defeat, 1 Chandra, 1 Cut, 1 Glorybringer, 1 Contempt (6)
Take out Scrap and Karn - can't block and karn doesn't affect the board that much when he comes down
Red can go bigger after sideboard as they cut the things I can kill easily

RB Aggro
out 4 Scrap, 2 Spray (6)
in 1 Angrath, 1 Chandra, 1 Glorybringer, 1 Karn, 1 Release, 1 Contempt (6)
Take out things that can't kill stuff or block
bring in PWs and removal

WB Aggro
out 4 Scrap, 2 Spray (6)
in 1 Angrath, 1 Chandra, 2 Doomfall, 1 Glorybringer, 1 Karn, 1 Release, 1 Contempt (8)
Take out things that can't kill stuff or block
bring in PWs and removal