Chord of Calling

Chord of Calling {X}{G}{G}{G}

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.
Edition: [M15] Magic 2015 Core Set ( R · #172 )