{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 - £22.40
Lightly Played - £19.10
Moderately Played - £15.70
Heavily Played - £11.20
Damaged - £6.80
Near Mint Non English - £22.40
Lightly Played Non English - £19.10
Moderately Played Non English - £15.70
Heavily Played Non English - £11.20
Damaged Non English - £6.80