Liliana, Waker of the Dead {2}{B}{B}
Legendary Planeswalker — Liliana
+1: Each player discards a card. Each opponent who can't loses 3 life.
−3: Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard.
−7: You get an emblem with "At the beginning of combat on your turn, put target creature card from a graveyard onto the battlefield under your control. It gains haste."
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Cards that do something similar expected a card that isn't here?
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Liliana, Untouched by Death 87%
$1.61#7091
"−2: Target creature gets -X/-X until end of turn, where X is the number of Zombies you control."
Angrath, the Flame-Chained 85%
$3.80#9700
"+1: Each opponent discards a card and loses 2 life."
+1 more matching line
Festive Funeral 84%
$0.15#25339
"Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard."
Flunk 84%
$0.11#26085
"Target creature gets -X/-X until end of turn, where X is 7 minus the number of cards in that creature's controller's hand."