Xeno'jiiva, the Great Prism

Converge - Xeno'jiiva, the Great Prism enters the battlefield with 2 +1/+1 counters for each color
of mana spent to cast it.
If {w} was spent to cast Xeno'jiiva, it gains
vigilance.
If {u} was spent, it gains flying.
If {b} was spent, it gains menace.
If {r} was spent, it gains haste.
If {g} was spent, it gains trample.
If 3 or more {c} was spent, it has Annihilator 1.