Ephemerate (Etched Foil) [Strixhaven Mystical Archive] Mono Artifact you may reveal an Elf

you may reveal an Elf card from your hand

Set: Commander 2017 Type: Creature — Zombie Dragon Rare Cost: {2}{B}{B} Flying Whenever a Dragon you control dies while Boneyard Scourge is in your graveyard

Set: Core Set 2021 Type: Creature — Goblin Rogue Rare Cost: {R}{R} Play with the top card of your library revealed

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

" —*General Chanek Valteroth*

Ephemerate (Etched Foil) [Strixhaven Mystical Archive] Mono Artifact you may reveal an ElfSet: Strixhaven Mystical Archive Type: Instant Rarity: Rare Cost: {W} Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)