Castle Vantress [Throne of Eldraine Prerelease Promos] Mysterious Bird and Forests produce {B} instead

and Forests produce {B} instead of any other type

then you may pay an amount of E equal to that permanent's mana value

Stitching is an ever-evolving field

Set: Wilds of Eldraine Type: Creature — Rat Peasant Rarity: Uncommon Cost: {2}{B} When Lord Skitter's Butcher enters the battlefield

Set: Eldritch Moon Prerelease Promos Type: Artifact Creature — Wolf Construct Rarity: Rare Cost: {2} Lupine Prototype can't attack or block unless a player has no cards in hand

Castle Vantress [Throne of Eldraine Prerelease Promos] Mysterious Bird and Forests produce {B} insteadSet: Throne of Eldraine Prerelease Promos Type: Land Rarity: Rare Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2. Without Vantress's knowledge, the realm would lose itself in darkness.