Rhaast, Darkin Scythe

Rhaast, Darkin Scythe can be your commander
Whenever equipped creature deals combat
damage, if equipped creature is named Kayn,
Shadow Reaper, create a Darkin token.
At the beginning of your upkeep, if you control 3
or more Darkin tokens, Exile Kayn, The Shadow Reaper and Transform Rhaast, Darkin Scythe
Equip {0}
Partner with Kayn, Shadow Reaper