Helm of Obedience [Alliances] Mirrodin Besieged where he discovered the remarkable

where he discovered the remarkable Mightstone

copy it for each other instant and sorcery spell you've cast before it this turn

return it to its owner's hand at the beginning of the next end step

Set: Tempest Type: Artifact Rare Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power

"Why would I kill you all

Helm of Obedience [Alliances] Mirrodin Besieged where he discovered the remarkableSet: Alliances Type: Artifact 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.