lechonk full art pokemon card - 126/142 (Your opponent chooses the new Active Pokémon.) Made a card list of

Worst-case scenario, your opponent(s) respond to Archangels Light by nuking your graveyard, causing this spell to be a complete whiff

You can learn all about the contents of Duskmourn: House of Horror Play Boosters in the Collecting Duskmourn: House of Horror article and see the art cards themselves in the Duskmourn: House of Horror Card Image Gallery (non-stamped versions have the same art but without the artist's signature or Planeswalker symbol).

As long as you set up your discard pile, you can recycle two Energy and immediately attach it to two of your Ancient Pokemon

This also synergizes really well with sacrifice synergies

Once your opponent is vulnerable, use the MAXamar attack and flip a coin for each Energy card attached to Malamar EX

Arwen Undomiel FromTheShire: If you're building the new blue green Elf scry archetype, you're probably including this because it's not bad and both abilities play in to your game plan, but it's not exactly great either