Wall of Bone [Alpha Edition] Duelist Alliance Set: Ixalan Prerelease Promos Type:

Set: Ixalan Prerelease Promos Type: Land Rarity: Rare Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest

Set: Coldsnap Type: Creature — Spirit Bear Rarity: Uncommon Cost: {4}{W} Ursine Fylgja enters the battlefield with four healing counters on it

you can banish this card from your GY as 1 of the monsters required for the Ritual Summon

Set: Fourth Edition Type: Creature — Ogre Rarity: Common Cost: {2}{R} The Ogre philosopher Gnerdel believed the purpose of life was to live as high on the food chain as possible

except "Block Golem"

Wall of Bone [Alpha Edition] Duelist Alliance Set: Ixalan Prerelease Promos Type:Set: Alpha Edition Type: Creature Skeleton Wall Rarity: Uncommon Cost: {2}{B} Defender (This creature can't attack.) {B}: Regenerate Wall of Bone. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) The Wall of Bone is said to be an aspect of the Great Wall in Hel, where the bones of all sinners wait for Ragnarok, when Hela will call them forth for the final battle.