Let's add some counterplay to Tahm's "Devour"

That's just adding to the trollolololol.

Then he would just eat them and then die on purpose to troll.

That would be hilarious

Trolls not only feeding intentionally, but also killing their teammates lol.

cc him and kill the other person before he hugs them? His W has very short range.

{quoted}

New effect: if tahm has devoured an allie and dies with the ally inside, then they swallowed ally also dies.

You might as well change his title, "the River King", to "the River Troll", "the Troll King", "the Troll God", etc.