Avengers Tower [Borderless Foil] #334 Magic Marvel Super Heroes

T: Add C.
T: Add one mana of any color. Spend this mana only to cast a Hero spell or to activate an ability of a Hero source.
4, T: Look at the top three cards of your library. You may reveal a Hero card from among them and put it into your hand. Put the rest on the bottom of your library in any order.