Chord of Calling 158 (Double Masters)

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 - $12.00
LP - $10.00
MP - $7.50
HP - $5.00
DMG - $2.50