Professor Onyx [Strixhaven: School of Mages Prerelease Promos] 144 ([COMEBACK]: When this card triggers

([COMEBACK]: When this card triggers

Set: Sword & Shield: Battle Styles Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Box Topper Type: Psychic Rarity: Promo

You may play an additional land on each of your turns

If an effect causes you to discard a card

Professor Onyx [Strixhaven: School of Mages Prerelease Promos] 144 ([COMEBACK]: When this card triggersSet: 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