Atemsis, All-Seeing 



Legendary Creature — Sphinx
Flying
{2}{U}, {T}: Draw two cards, then discard a card.
Whenever Atemsis 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.
click a line to search just that ability, click more to combine them
Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Soulcipher Board // Cipherbound Spirit 91%
$0.08#23451
"{3}{U}: Draw two cards, then discard a card."
+1 more matching line
Flying Drone 91%
$0.28#30328
"{1}{U}, {T}: Draw a card, then discard a card. This ability costs {1}{U} less to activate if another creature with flying entered under your control this turn."
Leonardo da Vinci 90%
$0.59#10902
"{2}{U}, {T}: Draw a card, then discard a card. If the discarded card was an artifact card, exile it from your graveyard. If you do, create a token that's a copy of it, except it's a 0/2 Thopter artifact creature with flying in addition to its other types."