Ensnared by the Mara 84 (Universes Beyond: Doctor Who) - Foil Slime Sovereign Double all damage that sources

Double all damage that sources you control of the chosen type would deal

you may pay {4}

then sacrifices a third of the lands they control of their choice

Change the text of target spell or permanent by replacing all instances of one color word with another

Ensnared by the Mara 84 (Universes Beyond: Doctor Who) - Foil Slime Sovereign Double all damage that sourcesEach opponent faces a villainous choice They exile cards from the top of their library until they exile a nonland card, then you may cast that card without paying its mana cost, or that player exiles the top four cards of their library and Ensnared by the Mara deals damage equal to the total mana value of those exiled cards to that player.