Theres also Judoon Enforcers, who provide an 8/8 body with trample but also a nice Silent Arbiter-style effect to ensure their controller isnt rushed down
not the reactive Rewind style, so this is probably fine, but you can be sure that unwind was heavily vetted to ensure it wasn't broken
Cards like Selfless Spirit, Heroic Intervention, and Teferi's Protection help protect your board from a variety of sweepers
Anyway, Kinnan is a fairly weak card in Limited at the best of times, and its even weaker when you consider that most of this sets creatures are actually humans
It's rife with combo potential if you can copy it and untap a bunch of rocks and whatever's copying the Reversal (looking at you, Lithoform Engine), but infinites aren't required
This is important to note with some of the changes that are taking place, beginning with Fabled