Wwuubbrrgg the Unpronounable

Wwuubbrrgg enters the battlefield with a +1/+1 counter on it for up to the first two mana spent to cast it of each color.
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}: Proliferate
If Wwuubbrrgg's casting cost was paid with {w}{w}{u}{u}{b}{b}{r}{r}{g}{g} Wwuubbrrgg gains "If a counter of any type would be added to Wwuubbrrgg, double the number of +1/+1 counters on Wwuubbrrgg instead and gains trample until end of turn."