{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.
NM-Mint - $766.80
Lightly Played - $690.10
Moderately Played - $613.40
Heavily Played - $536.70
Damaged - $383.40
NM-Mint Non English - $766.80
Lightly Played Non English - $690.10
Moderately Played Non English - $613.40
Heavily Played Non English - $536.70
Damaged Non English - $383.40