The Unspeakable [Duel Decks: Mind vs. Might] Demon Ninja where X is that spell's

where X is that spell's mana value

When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common

Set: Planechase Anthology Tokens Type: Token Creature — Beast Rarity: Common

Set: Ixalan Prerelease Promos Type: Instant Rarity: Rare Cost: {2}{W}{W} Exile all attacking creatures target player controls

The Unspeakable [Duel Decks: Mind vs. Might] Demon Ninja where X is that spell'sSet: Duel Decks: Mind vs. Might Type: Legendary Creature Spirit Rarity: Rare Cost: {6}{U}{U}{U} Flying, trample Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand. The rumors are horrifying; the truth is worse.