greyoll mother of dragons

{r}{t}summon a 2/1 flying dragon with haste
Exile at the end of the turn.
{2}{b}{b}{t} give all none dragon creatures
-2/-2
{w}{w}{t}put a +1/+1 counter on all dragons
You controll
"Greyoll was the mother of all dragons, dwarfing
all who stood before her like a looming mountain."