Ensnared by the Mara (Surge Foil) [Doctor Who] Leech Cleric Creatures with swampwalk can be

Creatures with swampwalk can be blocked as though they didn't have swampwalk

feeding on leathery bits of discarded wing

Set: March of the Machine Tokens Type: Token Artifact — Treasure Rarity: Common {T}

but those who brave it arrive at wisdom beyond compare

Ensnared by the Mara (Surge Foil) [Doctor Who] Leech Cleric Creatures with swampwalk can beSet: Doctor Who Type: Sorcery Rarity: Rare Cost: {2}{R}{R} Each 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.