Castle Locthwain [Throne of Eldraine Prerelease Promos] Zendikar Promos You can only use this

You can only use this effect of "Ascension Sky Dragon" once per turn

you may put that card on the bottom of your library

When this monster is Special Summoned

You can only activate 1 "Specimen Inspection" per turn

and/or haste

Castle Locthwain [Throne of Eldraine Prerelease Promos] Zendikar Promos You can only use thisSet: 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 Locthwain's persistence, the realm would stagnate and die.