Izzy

To cast Izzy the Human Girlfriend {x} must be equal to 21. She has the ability to seduce almost any other Human type creature. Any card named Luke is -2 weak to Izzy.
When this card is on the battlefield, you may look at the top of your deck anytime. You may play Dog and/or Cat cards from the top of your deck during your turn.

{g}{g}{w}{t} — Gain life equal to the amount of Dogs, Cats, and Humans under your control.