Castle Locthwain [Throne of Eldraine Prerelease Promos] Phyrexian Horror you may copy a card

you may copy a card exiled with Panoptic Mirror

a creature

then chooses and discards 1/3 of his or her hand

When Thought-Knot Seer leaves the battlefield

Set: Guilds of Ravnica Type: Creature — Nightmare Demon Rarity: Mythic Cost: {3}{B}{B} Flying

Castle Locthwain [Throne of Eldraine Prerelease Promos] Phyrexian Horror you may copy a cardSet: Throne of Eldraine Prerelease Promos Type: Land Rarity: Rare Castle Locthwain enters the battlefield tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand. Without Lochthwain's persistence, the realm would stagnate and die.