Qiyana, Elemental Empress

If {u}{u} was used to cast Qiyana, she gains +0/+3 and "whenever Qiyana attacks, tap target creature. It doesn't untap during its conroller's next untap step"
If {r}{r} was used, she gains +3/+0 and first strike
If {g}{g} was used, she gains +1/+1 and hexproof