The deck used is a deck containing normal dark attribute undead monsters
Token copies of your own creatures are particularly strong, especially if they're non-legendary copies
Salvatore Supporter Search your deck for a Pokmon, except any Pokmon with Abilities, that evolves from 1 of your Pokmon in play and put it on that Pokmon to evolve it
(You can always play Special Guests cards and cards from The List in any format where they are already legal, such as Pioneer, Modern, or Commander.) Cards from The List are direct reprints featuring existing artwork and treatments (with the addition of a small Planeswalker symbol in the lower-left corner of the card), but Special Guests cards are reimagined in the style and aesthetics of the setechoing Ravnica's guilds and citizens with new borderless artwork
The Baleful Strix was one of the more luxurious cards but worked well with the Therapy as well as all the artifact syenrgy cards and provided a good bit of early safety
There are plenty of offshoots and alternate versions, including Pauper Commander if your budget is tight