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 - $400
Lightly Played - $300
Moderately Played - $300
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $400
Lightly Played Spanish - $300
Moderately Played Spanish - $300
Heavily Played Spanish - $200
Damaged Spanish - $200