Energy Flux [Antiquities] CRU104 I don't think they exist

I don't think they exist

{W}: Enchanted creature gets +0/+1 until end of turn

Set: Gym Challenge Unlimited Type: Fire Rarity: Promo Retreat cost: Colorless

Set: Sword & Shield: Lost Origin Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

Set: Duskmourn: House of Horror Type: Enchantment Creature — Avatar Horror Rarity: Mythic Cost: {3}{G}{G} Impending 4—{1}{G}{G} (If you cast this spell for its impending cost

Energy Flux [Antiquities] CRU104 I don't think they existSet: Antiquities Type: Enchantment Rarity: Uncommon Cost: {2}{U} All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."