Power Hungry

Foster

Whenever a creature you control dies, you may pay {1}. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest into your graveyard.

The Mighty Thor, Jane Foster

Flying
Whenever The Mighty Thor attacks, exile up to one target nontoken artifact or creature, then return that card to the battlefield tapped under its owner's control.
Whenever an Equipment you control enters, draw a card.

Doctor Jane Foster

Vigilance (Attacking doesn't cause this creature to tap.)
When Doctor Jane Foster enters, return target creature card with mana value 3 or less from your graveyard to your hand. If you gained life this turn, return that card to the battlefield instead.

Whenever a creature you control is put into a graveyard, you may pay {1}. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest into your graveyard.