Ethan, the Returned

Ethan, the Returned enters the battlefield with a
+1/+1 counter for each color of mana spent to
cast him.
Other Memers you control get +1/+1.
When Ethan, the Returned enters the battlefield,
dies, or is exiled, create a 1/1 colorless Memer creature token for each +1/+1 counter on him.