Helm of Obedience [Alliances] Starter 1999 you may pay {0} rather

you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less

Tap two untapped creatures you control: Return target permanent to its owner's hand

dragons rage

but how do we get down

Set: Portal Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

Helm of Obedience [Alliances] Starter 1999 you may pay {0} ratherSet: 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.