Coron, Wizard of Creation

Ward {2}
{1}{g/w}- Put a +1/+1 counter on target creature.
When this card enters the battlefield, you gain X
life where X is the amount of creatures you
control with a +1/+1 counter on it.
Whenever a +1/+1 counter is put on Coron,
create a 2/2 green-white elemental creature
token with haste.