Rek'Sai...
Patch 5.1: Queen's Wrath (Q) Base bonus damage reduced to 15 / 30 / 45 / 60 / 75 from 15 / 35 / 55 / 75 / 95.
AD ratio reduced to (+30% bonus AD [+90% total]) from (+40% bonus AD [+120% total]).
Prey Seeker (burrowed Q) Ability power ratio reduced to (+70% AP) from (+100% AP).
Unburrow (W) Bonus attack damage ratio reduced to (+40% bonus AD) from (+50% bonus AD).
=======================================================
Patch 5.7 Queen's Wrath (Q) AD Ratio reduced to (+ 20% Bonus AD [+60% total]) from (+ 30% Bonus AD [+90% total]).
Tunnel (burrowed E) Per-tunnel cooldown reduced to 10 / 9 / 8 / 7 / 6 seconds from 10 at all ranks.
=======================================================
Rek'Sai is now being played as a tank, not because of the advent of Cinderhulk, but because building damage is no longer cost effective. She does no more damage than if one built AD on Skarner. Please, Riot, return her Q's ratio to what it was in 5.1. She should be able to be built tank OR AD.