{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep. When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.
Near Mint - $49.500
Lightly Played - $39.600
Moderately Played - $34.700
Heavily Played - $29.700
Damaged - $24.800
Near Mint Spanish - $49.500
Lightly Played Spanish - $39.600
Moderately Played Spanish - $34.700
Heavily Played Spanish - $29.700
Damaged Spanish - $24.800