Cyclopean Tomb

Artifact
{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 this ability 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.

Reserved

Format Playability
Standard Not Legal
Modern Not Legal
Legacy Unplayed
Commander Unplayed
Vintage Unplayed
Pauper Not Legal
Vintage Cube Not in Cube
Legacy Cube Not in Cube
Modern Cube Not in Cube
Sets USD
ME4 R Masters Edition IV --
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LEB R Beta $ 302.37
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CED R Collectors' Edition $ 39.95
CEDI R International Collectors' Edition $ 0.34