Sleight of Mind [Unlimited Edition] Nightmare Horse remove both of them from

remove both of them from combat

Whenever a source deals damage to Phyrexian Obliterator

Set: Onslaught Type: Creature — Wurm Rarity: Rare Cost: {1}{G} When Tempting Wurm enters the battlefield

Set: Nemesis Type: Creature — Human Rebel Rarity: Rare Cost: {2}{G}{G} {3}

sacrifice Helm of Obedience and put one of them onto the battlefield under your control

Sleight of Mind [Unlimited Edition] Nightmare Horse remove both of them fromSet: Unlimited Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)