If seven or more creatures died this turn
Reverse Type: Land (Transforms from Thaumatic Compass
Set: Hour of Devastation Prerelease Promos Type: Legendary Planeswalker — Bolas Rarity: Mythic Cost: {4}{U}{B}{R} +2: Target opponent exiles cards from the top of their library until they exile a nonland card
Set: Commander Anthology Type: Legendary Creature — Human Shaman Rarity: Mythic Cost: {2}{B}{G} Whenever another creature you control dies
Set: Planechase Planes Type: Plane — Mirrodin Rarity: Common When you planeswalk to Panopticon
Arvinox, the Mind Flail [Duskmourn: House of Horror Commander] Fungus If seven or more creaturesSet: Duskmourn: House of Horror Commander Type: Legendary Enchantment Creature Horror Rarity: Mythic Cost: {4}{B}{B}{B} Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as