Glacial Fortress [Ixalan Prerelease Promos] 55a And then return all face-up

And then return all face-up Synchro Monsters to the Extra Deck during the End Phase

Set: Magic 2010 Type: Creature — Rat Rarity: Uncommon Cost: {1}{B}{B} Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats

Set: EX: Sandstorm Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

Athreos isn't a creature

Set: Friday Night Magic 2009 Type: Creature — Snake Shaman Rarity: Rare Cost: {1}{G} Sacrifice Sakura-Tribe Elder: Search your library for a basic land card

Glacial Fortress [Ixalan Prerelease Promos] 55a And then return all face-upSet: 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.