Helm of Obedience [Alliances] Promotional Cards exile target creature an opponent

exile target creature an opponent controls until Trapjaw Tyrant leaves the battlefield

Set: Doctor Who Type: Instant Rarity: Uncommon Cost: {1}{U} Paradox — Draw a card for each spell you've cast this turn from anywhere other than your hand

and life on campus is frenetic

Set: Sun & Moon: Base Set Type: Water Rarity: Promo Retreat cost: Colorless

“Eat my dust

Helm of Obedience [Alliances] Promotional Cards exile target creature an opponentSet: 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.