Helm of Obedience [Alliances] Island Whenever a source deals damage

Whenever a source deals damage to Phyrexian Obliterator

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {2} Each spell costs {3} more to cast except during its controller's turn

" —Conrad Aiken

Gix rose through the Phyrexian regime to the exalted rank of praetor

Set: Limited Edition Beta Type: Instant Rarity: Rare Cost: {W} Target spell or permanent becomes white

Helm of Obedience [Alliances] Island Whenever a source deals damageSet: 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.