Castle Vantress [Throne of Eldraine Prerelease Promos] Mysterious Bird then you may pay an

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

Set: Commander Legends Etched Type: Legendary Creature — Ooze Rarity: Uncommon Cost: {5}{G} Slurrk

Set: Duels of the Planeswalkers Type: Creature — Snake Rarity: Uncommon Cost: {1}{G} Islandwalk (This creature can't be blocked as long as defending player controls an Island

Stitching is an ever-evolving field

and Forests produce {B} instead of any other type

Castle Vantress [Throne of Eldraine Prerelease Promos] Mysterious Bird then you may pay anSet: 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.