Amazing art on returning cards
While equipped to a creature, it essentially serves as a localized version of Drivnod, Carnage Dominus for that creature, doubling any of its effects that trigger when a creature dies
Now, because she cares about dealing damage in the first combat phase, that means you can get up to three extra combats by hitting with three large creatures
From the original Ixalan set, Commander fans of Dinosaurs had a clear choice as their typal commander: Gishath, Suns Avatar
Of course, there are still a few hoops to jump through, such as having your own creatures to help fuel this mind flayers machinations, but a steady supply of helpers thanks to cards like Sower of Temptation, Beguiler of Wills, and Ghoulcaller Gisa, you wont find yourself wanting