Twi and La, Living Balance

Indestructible
{w}{w}, {t}: Target creature gains +2/+2 and lifelink until end of turn.
{b}{b}, {t}: Target creature gains +2/+2 and deathtouch until end of turn.
{w}{w}{b}{b}, {t}: Exile Twi and La, target opponent loses half their life rounded down.