pokemon mew promo card holographic value - #8 Psychic Devolution Beam Choose an evolved Pokémon (your own or your opponents) Holo Mew Black Star Promo

But of note are the two from Antiquities

Brass's Tunnel-Grinder / Tecutlan, the Searing Rift Brass's Tunnel-Grinder is a good rummage that requires you to descend for three turns straight, but the grind is worth it because Tecutlan, the Searing Rift turns one spell per turn into a second full card

Having a bunch of card draw and recursion makes the deck surprisingly good at grinding through removal, and the janky-looking "draw a second card" creatures are actually surprisingly strong in a deck built to support them

Flashback: Play a card with Flashback from your graveyard

Unless they can get around Omen Machines card draw clause, this means your opponents wont be able to get any new cards at all