Helm of Obedience [Alliances] Alcove −X: Sorin

−X: Sorin

where X is 2 plus the sacrificed creature's mana value

but trophies are nice too

Set: Unknown Event Type: Artifact Rarity: Common Pledge (Join a two-colored guild if you haven't already this game

Jetmir—heel

Helm of Obedience [Alliances] Alcove −X: SorinSet: 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.