Professor Onyx
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.
Variants & Prices
Updated todayTrack Professor Onyx in your collection
Track prices, manage your inventory, and list on eBay - all in one place.
Free forever - no credit card needed
Already selling on eBay? List your cards in minutes →
How to sell Pokemon cards on eBay (better than everyone else)
Read articlePrice History
More Professor Onyx Cards
More M cards from Strixhaven: School of Mages
See more
Hey, it's Mitchell - come talk cards
I built CardList while listing on eBay every day, same as you. Our Discord is small and friendly - hop in to share pulls, talk prices, and tell me what to build next. I'm in there as @mitchell most days, so come say hi.