Name
Chord of Calling (Buy-a-Box)
Set Name
Double Masters
Set Type
Masters
Mana
Type Line
Instant
Rarity
Rare
Oracle 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 converted mana cost X or less and put it onto the battlefield. Then shuffle your library.