Trample Black Carriage doesn't untap during your untap step. Sacrifice a creature: Untap Black Carriage. Activate this ability only during your upkeep.
Near Mint - $1.000
Lightly Played - $800
Moderately Played - $700
Heavily Played - $600
Damaged - $500
Near Mint Spanish - $1.000
Lightly Played Spanish - $800
Moderately Played Spanish - $700
Heavily Played Spanish - $600
Damaged Spanish - $500