Magery
Theme
Chord of Calling
XGGG
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.
Prices
EUR Foil
$10.14
EUR Nonfoil
$7.91
USD Nonfoil
$13.21