Aragis, the Guardian of Order

I had an idea while I was taking a shower of a super niche champion who's a tank support but excels against teams with heavy CC. I didn't bother fleshing out the numbers but here you go.

ARAGIS -- The Guardian of Order

Passive ---- Gatekeeper's Prerogative: For each allied champion within 300 units of you, those champions gain an additional 1%/2%/3%/4%/5% Tenacity. Q --- Gauntlet: Aragis conjures a large stone from the ground and pushes it 375/400/425/450/475 units in a direction. The stone deals damage to enemies caught in its path and pushes them aside if they're close to its side, or pushes them back if they're behind it. 18/16/14/12/10 sec. cooldown. W --- Attention: Aragis taunts an enemy within 375 units for 0.75/1.00/1.25/1.50/2.00 seconds. During this time, Aragis cannot move or use abilities. 13/12/11/10/9 second cooldown. E --- Redemption: Aragis marks a nearby ally for the next 5 seconds. The next time a crowd control effect would be applied to the marked target, that effect is instead applied to Aragis and consumes the mark. 9/8/7/6/5 second cooldown. R --- Retribution: PASSIVE: All crowd control effects applied to allied champions are also applied to Aragis at 15%/10%/5% effectiveness. ACTIVE: All crowd control effects dealt to Aragis in the last 4 minutes become applied to all enemy champions within 500/600/700 units, one at a time, in the order they were received. 160/140/120 second cooldown.