Kandis Rel, the Bladegiver

Equipment spells you cast cost {2} less to cast.
Whenever an equipment enters the battlefield
under your control, put a trade counter on it. If
you do, target opponent gains control of it, you
gain 2 life and draw a card. As long as that
equipment has a trade counter on it, it has "The
owner of this equipment and all permanents they control have protection from equipped creature"
and "Equip {0}."