Author of Shadows (Extended Art) [Commander 2021] SM237 that player loses 1 life

that player loses 1 life and you gain 1 life

Set: XY: Fates Collide Type: Supporter Rarity: Ultra Rare

a flying counter

Set: Innistrad: Midnight Hunt Prerelease Promos Type: Legendary Creature — Human Wizard Rarity: Mythic Cost: {3}{U}{U} Spells can't be countered

Set: Commander 2021 Type: Land Rarity: Common Bojuka Bog enters the battlefield tapped

Author of Shadows (Extended Art) [Commander 2021] SM237 that player loses 1 lifeSet: Commander 2021 Type: Creature Shade Warlock Rarity: Rare Cost: {4}{B} When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.