Chord of Calling (Magic 2015 (M15))

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 mana value X or less, put it onto the battlefield, then shuffle.

NM - $6.50
LP - $5.00
MP - $4.00
HP - $2.50
DMG - $1.50