Professor Onyx (Borderless) [Strixhaven: School of Mages] Avatar Minion and Helm of Kaldra have

and Helm of Kaldra have indestructible

Set: POP Series 1 Type: Water Rarity: Rare Retreat cost: Colorless

but Tributes are required for monsters level 5 or more

Set: Legendary Duelists: White Dragon Abyss Card type: Ritual/Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 0 You can Ritual Summon this card with "Chaos Form"

Professor Onyx (Borderless) [Strixhaven: School of Mages] Avatar Minion and Helm of Kaldra haveSet: Strixhaven: School of Mages 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 controls. 8: Each