Helm of Obedience [Alliances] XY72 but negate its effects

but negate its effects

Set: Starstrike Blast Card type: Normal Trap Rarity: Common Select 1 Level 4 or lower "Watt" monster in your Graveyard

both players reveal their Main Decks

Set: New Phyrexia Type: Legendary Creature — Praetor Rarity: Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

Helm of Obedience [Alliances] XY72 but negate its effectsSet: 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.