Mittens, Magus of Mystery

{t}{2}{w} You gain six life.
{t}{u} Target creature has base power and toughness 1/1 or target creature gets +1/+1
and has flying.
{t}{2}{r} Target opponent gains control of target permanent you control.
{t}{3}{g}{g} Target creature gets +7/+7 and
gains trample until end of turn.