Ash Ketchum, Champion

{t}, return target creature to your hand: play a creature from your hand that has mana value lower
or equal to that of the returned creature without paying its mana cost. It enters the battlefield tapped.
Blue creatures gain +2/+2 when blocked by red creatures until end of turn.
Red creatures gain +2/+2 when blocked by green creatures until end of turn.
Green creatures gain +2/+2 when blocked by blue creatures until end of turn.