Isobel Kos, Forest Enchantress

Lifelink.
Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell pays
for {1} or one mana of that creature's color.)
When Isobel Kos, Forest Enchantress enters the
battlefield, put a +2/+2 counter on each creature
that convoked it.
{g}{g}: Draw a card.