Rules Text Contains: T: Add C.
4, T: Investigate.
At the beginning of your end step, if you sacrificed three or more clues this turn, transform Havengul Laboratory.
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Havengul Mystery
When this land transforms into Havengul Mystery, return target creature card from your graveyard to the battlefield.
When the creature put onto the battlefield with Havengul Mystery leaves the battlefield, transform Havengul Mystery.
T, Pay 1 life: Add B.
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![Havengul Laboratory [SLX - 9] - Cartes Sportives Rive Sud](http://cartessportivesrivesud.com/cdn/shop/files/havengul-laboratory-slx-9-magic-the-gathering-singles-5500711-7470717_1024x.jpg?v=1775785640)