The First Sliver (Retro Foil Etched) [Modern Horizons] Phyrexian Knight return it to the battlefield

return it to the battlefield under its owner's control with a -1/-1 counter on it

"The cathars have taught me many things

Set: Secret Lair Drop Series Type: Artifact Rarity: Mythic Cost: {1} Mana Vault doesn't untap during your untap step

Just your most precious one

The First Sliver (Retro Foil Etched) [Modern Horizons] Phyrexian Knight return it to the battlefieldSet: Modern Horizons Type: Legendary Creature Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sliver spells you cast have cascade.