Kylox's Voltstrider (Extended Art) [Murders at Karlov Manor] Host Artifact Creature Set: The Brothers' War Prerelease

Set: The Brothers' War Prerelease Promos Type: Artifact Creature — Assembly-Worker Rarity: Rare Cost: {5} Prototype {1}{W} — 2/2 (You may cast this spell with different mana cost

Set: The List Type: Legendary Enchantment Creature — Demigod Rarity: Uncommon Cost: {1}{U}{U} Callaphe's power is equal to your devotion to blue

−X: Exile target nonland permanent card with mana value X from your graveyard

therefore you aren't

Set: Fallout Type: Creature — Fungus Rarity: Uncommon Cost: {2}{B}{G} If one or more +1/+1 counters would be put on a creature you control

Kylox's Voltstrider (Extended Art) [Murders at Karlov Manor] Host Artifact Creature Set: The Brothers' War PrereleaseSet: Murders at Karlov Manor Type: Artifact Vehicle Rarity: Mythic Cost: {1}{U}{R} Collect evidence 6: Kylox's Voltstrider becomes an artifact creature until end of turn. Whenever Kylox's Voltstrider attacks, you may cast an instant or sorcery spell from among cards exiled with it. If that spell would be put into a graveyard, put it on the bottom of its owner's library instead. Crew 2