Liliana, Waker of the Dead [Prerelease: Core Set 2021]

Set: Prerelease: Core Set 2021 Type: Legendary Planeswalker — Liliana Cost: null [+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."