Wild Mage

Whenever you roll one or more dice or flip one or more coins, roll/flip an additional one, and ignore one of those results.

{u/r}: Level 2 - Artifacts and Enchantments you control have "{u/r}, {t}: reroll any die or reflip any coin”.

{r}{u}{s}: Level 3 - Whenever you roll a die or flip a coin, you may put a +1/+1 counter on target creature.

{r}{r}{u}{u}{2}: Level 4 - {u/r}{u/r}{u/r}{u/r}, {t}: Copy target spell twice. You may choose new targets for the copies