Chord of Calling [Double Masters Promos] Urban Conquest it produces {B} instead of

it produces {B} instead of any other type and amount

ultimately determining whether you are Friend or Faux

you may search your library for an Elemental card

Set: New Phyrexia Type: Artifact Rarity: Rare Cost: {3}{W/P}{W/P} ({W/P} can be paid with either {W} or 2 life

Chord of Calling [Double Masters Promos] Urban Conquest it produces {B} instead ofSet: Double Masters Promos Type: Instant Rarity: Rare Cost: {X}{G}{G}{G} 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.