全てを見通す者、アテムシス/Atemsis, All-Seeing

LegendaryCreature - Sphinx
Flying <CR>
{2}{U}, {T}: Draw two cards, then discard a card. <CR>
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.

LegendaryCreature - Sphinx
Flying <CR>
{2}{U}, {T}: Draw two cards, then discard a card. <CR>
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.