Nub, Squirrel Warlord

When Nub, Squirrel Warlord enters play, put a 3/3 Legendary green and red frog creature token called Ubb into play under control with: when Nub, Squirrel Warlord leaves play, exile this token.
Whenever you cast a red or green spell, put a 1/1 green red squirrel token into play under your control.
His cheeks contain both nuts and hatred.