Helm of Obedience [Alliances] Zombie "For years

"For years

Athreos isn't a creature

Set: Modern Masters 2015 Type: Legendary Creature — Angel Rarity: Mythic Cost: {6}{W}{W}{W} Flying

Set: Modern Event Deck 2014 Type: Artifact Rarity: Uncommon Cost: {1} {T}: Target player exiles a card from their graveyard

but it gives them hope of a life beyond

Helm of Obedience [Alliances] Zombie "For yearsSet: 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.