Equipped creature gets +2/+2 and has protection from green and from blue (A permanent or player with protection can't be targeted, enchanted, equipped, fortified, damaged or blocked by sources of the given property.).
Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills (To mill a card, a player puts the top card of their library into their graveyard.) ten cards.
Equip (: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)