Frostbringer

Equipped creature gets +2/+2, flying, and
"Whenever this creature deals combat damage to
a player, draw a card."
Whenever equipped creature attacks, put a -0/-1
counter on it. If it would die as a result of it's
toughness being 0, put it into your library three
cards from the top, and draw a card.
Equip {1}, discard a card.