Professor Onyx [Strixhaven: School of Mages Prerelease Promos] Apocalypse Promos you may remove any number

you may remove any number of +1/+1 counters from Tetravus

you may cast this card from exile without paying its mana cost

planting them

" —Richard Adams

At the beginning of your next main phase

Professor Onyx [Strixhaven: School of Mages Prerelease Promos] Apocalypse Promos you may remove any numberSet: Strixhaven: School of Mages Prerelease Promos Type: Legendary Planeswalker Liliana Rarity: Mythic Cost: {4}{B}{B} 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