Atemsis, All-Seeing [Core Set 2020] Condition:Heavily Played other Dragon spells you cast

other Dragon spells you cast cost {1} less to cast

Set: March of the Machine Commander Type: Instant Rarity: Rare Cost: {3}{U}{U} Counter target spell

Set: Guilds of Ravnica Promos Type: Sorcery Rarity: Uncommon Cost: {U}{B} Target opponent reveals their hand

Set: Commander 2015 Type: Artifact Rarity: Rare Cost: {4} Landfall — Whenever a land enters the battlefield under your control

Set: Dominaria United Type: Creature — Cyclops Rarity: Uncommon Cost: {3}{R}{R} {1}

Atemsis, All-Seeing [Core Set 2020] Condition:Heavily Played other Dragon spells you castSet: 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 converted mana costs are revealed this way, that player loses the game.