Whir of Invention [Aether Revolt Promos] Shadows over Innistrad Prerelease Promos Whether they hail from the

Whether they hail from the dark days of the Horus Heresy or turned traitor more recently

calling the loyal to battle

If that spell would be put into a graveyard this turn

Set: Mythic Edition Type: Legendary Planeswalker — Karn Rarity: Mythic Cost: {4} +1: Reveal the top two cards of your library

Set: Nemesis Type: Enchantment Rarity: Common Cost: {2}{B} Sacrifice Seal of Doom: Destroy target nonblack creature

Whir of Invention [Aether Revolt Promos] Shadows over Innistrad Prerelease Promos Whether they hail from theSet: Aether Revolt Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.