Athuliea, The Magical One

{2}{b}{r}, {t}: Put one +1/+1 counter on
Athuliea, The Magical One.
{t}, Remove a +1/+1 counter from Athuliea:
All creatures get +2/+0 until end of turn.
When the fifth counter is put on Athuliea,
remove all +1/+1 counters from it and create
a 5/5 green Beast creature token with Indestructible.