Kovash, Bladejester

Kovash, Bladejester has first strike if you control an equipped creature with first strike. The same is true
for double strike, deathtouch, haste, menace, and
trample.
You may activate equip abilities of equipment you control any time you could cast an instant, and you
may pay 1 life any number of times to pay that
many {1} of its cost.