Ashteri, Forger of Stars

Every Time a Star Enters Play, put a +1/+1
Counter on Ashteri, Forger of Stars.
{1}{u}{r}: Put a 1/1 Star Token Into Play with:
'{t}: Add 1 Ether Mana to your Mana Pool.'
"One Star, Two Stars, as they grow in number,
so grows Ashteri in Power. All the stars that
been his to forge, are his to command."