mtg helm of obediencealliances Amonkhet Whenever an opponent casts a

Whenever an opponent casts a noncreature spell

you may exile target land you control

Set: Urza's Legacy Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

Feedback deals 1 damage to that player

If you control three or more artifacts

mtg helm of obediencealliances Amonkhet Whenever an opponent casts aSet: 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.