Tardiga, Berserk Princess

+2: Put a +1/+1 counter on target creature you control. You may have it fight target creature you don't control.
-2: Target creature gets +1/+1 and gains your choice of wither or trample until end of turn.
-5: Tardiga becomes a 5/5 legendary Human Berserk creature with trample and wither until end of turn.