Xath, Promestherian Toymaker

Whenever an artifact creature with power 2 or
less enters the battlefield under your control,
you may gain 1 life and draw a card.
{2}{u}{t}, Create a 0/1 colorless Toy artifact
creature token.
Before his children died, Xath had lived to make them
smile. When their smiles left this world, he'd lost all
meaning to life.