Sharing my ideas for a Galio "rework"
Pretty simple really, mostly just combining two existing abilities into his kit to make it more fluid/engaging for both Galio and the enemy team.
E changes: Speed increase removed, damage and scaling lowered. New interaction with Idol of Durand - Striking Idol of Durand with Righteous Gust pulls Galio to his idol and heavily slows all enemies champions Galio collides with. Upon reaching his idol it is removed and Galio becomes the source of the taunt instead, increasing the damage of his ultimate.
R changes: Galio summons an Idol of Durand at target location. The idol exists for 3 seconds and 1 second after being summoned taunts all nearby enemy champions for 2 seconds. The idol does base damage, increased by the amount of damage dealt to the idol during the taunt.
So basically his ultimate is now a maoki ult type deal, placed at range so mage galio can become a reality again. The ultimate will also have counterplay as it takes a full second to begin taunting. J4 combo type synergy between E+R allows tank Galio to soak damage and be a threat without many damage items due to the increased damage. This interaction also gives Galio a much needed escape.