when is urf back man

Please, take a wild guess.

I believe it's an April fools event now

April fool

hopefully never. urf takes bs champs and makes their bs multiplicative, not additive, so the levels of quackery certain champs get make the entire gamemode unfun. You want to play someone random for fun? Fk you, get tower wrecked by Maokai sitting in the river, or by Ezreal/Sona/Hecarim