Glacial Fortress [Ixalan Prerelease Promos] Beta Edition (Your devotion to a color

(Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control

Set: Commander Anthology Type: Creature — Elemental Beast Rarity: Rare Cost: {5}{G} When Grave Sifter enters the battlefield

as you untap your permanents

At the beginning of your next upkeep

Glacial Fortress [Ixalan Prerelease Promos] Beta Edition (Your devotion to a colorSet: Ixalan Prerelease Promos Type: Land Rarity: Rare Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island. {T}: Add {W} or {U}. Ships blown north in their voyage across the Stormwreck Sea become trapped in the unmelting ice.