Professor Onyx

Condition: Near Mint
Color: Black
Card Text: Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
−8: Each opponent may discard a card. If they don’t, they lose 3 life. Repeat this process six more times.
Rarity: M
Cost: 4BB
Card Type: Legendary Planeswalker - Liliana
Artist: Kieran Yanner
Name: Professor Onyx
Finish: Regular
Card Number: 0153
Set Name: Duskmourn: House of Horror Commander