Tyra, Imagination Worker

{u}: add {c}
{u}{b}: gain 3 life
{u}{b}{r}: destroy target creature
{u}{b}{r}{g}: untap Tyra
{u}{b}{r}{g}{w}: Tyra gains +3+3 till end of turn
{u}{b}{r}{g}{w}{c}: Tyra gains +3+3 and any key word until the end of the turn