Sin-Za, Dual-Wielder

+2: Create a legendary artifact equipment token named "Cygnus and Albireo" with "target creature gets +3/+2 and menace, equip 3"
-X: Sin-Za deals X damage to target. Return Sin-Za to the command zone, she costs half X less to cast from the command zone next turn, rounded down.
: Sin-Za, Dual-Wielder can be your commander.