Wall of Bone [Alpha Edition] Elemental Horse and other players can't gain

and other players can't gain control of them

[B]efore honor is humility

and vigilance

Set: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {1}{W}{B} Destroy target permanent

The Abzan turn to this spell only as a last resort

Wall of Bone [Alpha Edition] Elemental Horse and other players can't gainSet: 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.