Cunning Task Mage

{r}, {t}, Discard a card: Target creature you control gets +2/+0 until end of turn.
{1}{u}, {t}, Discard a card: Return target nonland permanent you don't control to its owner's hand.
{2}{u}{u}{r}{r}, {t}, Discard a card: Change Cunning Task Mage's text by replacing all instances of "target" with "each".