Professor Onyx

{4}{B}{B} · Legendary Planeswalker — Liliana · from $4.64

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.

Format legality

K'rrik, Son of Yawgmoth (cEDH, 1.1% of the meta): 1 in the main deck of 17% of lists
Gwenom, Remorseless (cEDH, 0.4% of the meta): 1 in the main deck of 88% of lists
Doctor Doom, Unrivaled (cEDH, 0.1% of the meta): 1 in the main deck of 40% of lists
Tinybones, Trinket Thief (cEDH, 0.1% of the meta): 1 in the main deck of 50% of lists
Old Stickfingers (cEDH, 0.1% of the meta): 1 in the main deck of 67% of lists
Rograkh, Son of Rohgahh / Tevesh Szat, Doom of Fools (cEDH, 0.1% of the meta): 1 in the main deck of 40% of lists