Chthonian Nightmare [Modern Horizons 3 Prerelease Promos]

Chthonian Nightmare [Modern Horizons 3 Prerelease Promos]Set: Modern Horizons 3 Prerelease Promos Type: Enchantment Rarity: Rare Cost: {1}{B} When Chthonian Nightmare enters the battlefield, you get EEE (three energy counters). Pay X E, Sacrifice a creature, Return Cthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.

"The secrets of our world will be mine

{6}{R}{R}{W}{W}: Return Firemane Angel from your graveyard to the battlefield

“Inspiration is found by looking outward

forming a deadly hedge around the *Weatherlight*

Set: Strixhaven: School of Mages Promos Type: Creature — Human Warlock Rarity: Rare Cost: {2}{B}{B} {T}: Search your library for a card

Remove a crystal counter from Prism Array: Tap target creature

you may sacrifice an artifact other than Dire Blunderbuss

Sacrifice Implements of Sacrifice: Add two mana of any one color

{3}: Put target Rebel card from your graveyard on the bottom of your library

you may have target creature get +3/-3 until end of turn

Set: Dominaria United Commander Type: Artifact Rarity: Uncommon Cost: {3} {T}: Add {C}

and counters are modifications