aether converter

aether converter enters the battlefield tapped.
when aether converter enters the battlefield, you get {e}{e}
pay {e}{e}: you get 1 life
{t}: add {u} or {w}
{w},{ut}: you get {e}
{x},{ut}: create a X/X aether worker with "{t},{x}{x}{x}: you get X {e}. spend only blue mana on X