Atemsis, All-Seeing [Core Set 2020]

Set: Core Set 2020 Type: Legendary Creature — Sphinx Rarity: Rare Cost: {3}{U}{U}{U} Flying{2}{U}, {T}: Draw two cards, then discard a card.Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.