The First Sliver (Retro Foil Etched) [Modern Horizons] Phyrexian Knight Set: March of the Machine:

Set: March of the Machine: The Aftermath Type: Legendary Creature — Human Warrior Rarity: Rare Cost: {2}{W} Each creature you control has “{T}: Add one mana of any of this creature's colors

Set: Commander Legends: Battle for Baldur's Gate Type: Creature — Horror Rarity: Rare Cost: {4}{U} Ceremorphosis — When Illithid Harvester enters the battlefield

but soon formed again

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

"The cathars have taught me many things

The First Sliver (Retro Foil Etched) [Modern Horizons] Phyrexian Knight Set: March of the Machine:Set: 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.