Extradimensional Ooze

Extradimensional Ooze enters the battlefield
with three +1/+1 counters on it.
{b}, {r} or {g}, remove a +1/+1 counter from it:
Extradimensional Ooze gains +2/+2 until end
of turn and deals 1 damage to any target.
"I've heard rumors about these creatures. They
originate from a strange and very old plane called
"Pixelios" where nothing is truely round.
But what are they doing here?"