Chromium, the Mutable [Core Set 2019 Prerelease Promos] Scourge put one of those cards

put one of those cards on top of your library and the rest on the bottom of your library in any order

When Cyclopean Tomb is put into a graveyard from the battlefield

Liliana Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {3}{B}{B} +1: Target player discards a card

and library for any number of cards with the same name as that card and exile them

If you would begin your turn while Time Vault is tapped

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Scourge put one of those cardsSet: Core Set 2019 Prerelease Promos Type: Legendary Creature Elder Dragon Rarity: Mythic Cost: {4}{W}{U}{B} Flash This spell can't be countered. Flying Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1 1, loses all abilities, and gains hexproof. It can't be blocked this turn.