Chord of Calling

{X}{G}{G}{G}

Instant · prmMagic Online Promos · #82880 · Rare

Instant
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.