Chord of Calling [Magic 2015]

$6.70
Type: MTG Single
Title
Set: Magic 2015
Type: Instant
Rarity: Rare
Cost: {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.