Captain America, Avenger

Vigilance, Double Strike, Lifelink.
Other Avenger creatures you control get +1/+1
and First Strike.
If you would draw a card, you may instead return target creature to it's owner's hand.
Whenever you gain life, you may instead prevent
life gain and shuffle X Avengers from your
graveyard into your Library. (Where X is
the amount of life gained)