Chord of Calling | M15

Chord of Calling is a rare Magic: The Gathering Card

Card Text

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.

Artist: Karl Kopinski
Set: M15
Number: 172