The best champions globally to counter Райз include Афелий, Люциан, and Кейтлин. These champs are all great at countering Райз with high win rates over 57%. Even if these Райз counter picks are not played opposite your position, it's not smart to choose him into these matchups. They will likely destroy Райз.
Conversely, if the opposite team choses either Браум or Ког'Мао, you should strongly consider picking him, as he easily wins against these selections with win rates over 53% against both ofthem.