Helm of Obedience [Alliances] Skeleton Wall Set: Kaladesh Prerelease Promos Type:

Set: Kaladesh Prerelease Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{R}{R} First strike

you may gain control of target creature for as long as you control Roil Elemental

Vastwood Seer enters the battlefield

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {3} Basalt Monolith doesn't untap during your untap step

burning and devouring everything in their path

Helm of Obedience [Alliances] Skeleton Wall Set: Kaladesh Prerelease Promos Type:Set: Alliances Type: Artifact Rarity: Rare Cost: {4} {X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.