Helm of Chatzuk [Collectors' Edition] Prophecy Promos if you control at least

if you control at least five other Mountains

We shall suffer turmoil equal to that which we have wrought

even the lightest footstep can bring it to the surface

the Raze-Boar attacks

or creature with flying

Helm of Chatzuk [Collectors' Edition] Prophecy Promos if you control at leastSet: Collectors' Edition Type: Artifact Rarity: Rare Cost: {1} {1}, {T}: Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)