Chord of Calling
Chord of Calling {X}{G}{G}{G}
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Search your library for a creature card with converted mana cost X or less and put it onto the battlefield. Then shuffle your library.
Latest set: [M15] Magic 2015 Core Set (R)