Avengers Tower (MSH-260) - Marvel Super Heroes Foil

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.