{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 - £31.90
Lightly Played - £27.10
Moderately Played - £22.30
Heavily Played - £16.00
Damaged - £9.60
Near Mint Non English - £31.90
Lightly Played Non English - £27.10
Moderately Played Non English - £22.30
Heavily Played Non English - £16.00
Damaged Non English - £9.60