Whirling Twirligig (Epic)

:rb_exhaust:: Play a Gold gear token exhausted. (It has "[Reaction][>] Kill this, :rb_exhaust:: [Add] :rb_rune_rainbow:.")
Kill a friendly gear, :rb_exhaust:: Play a 1 :rb_might: Recruit unit token.
Kill a friendly unit, :rb_exhaust:: Play a 3 :rb_might: Mech unit token.