Warren Idol

As Warren Idol enters the battlefield, choose a
card. Choose one of its colors and one creature
type in it's type line (You do not need a copy, if
the card has no color or type none can be chosen )
Spells of the chosen type cost {1} less to cast.
Whenever a creature of with type enters the
battefield, you gain 1 life
{4},{t}: Create a 1/1 creature token with the
color and type chosen.