Chord of Calling - Magic 2015 (M15) - R - 172

Type: Instant

English Effect:
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.

Efecto en Español:
Convocar.
Busca en tu biblioteca una carta de criatura con valor de maná de X o menos, ponla en el campo de batalla y luego baraja.