strixhaven japanese booster box MTG quality paper and are sourced from China Strixhaven: Mystical Archives Play Booster

I also dont think you want to replace Arcbound Worker with Zabaz rather, you should play them both to maximize your turn one plays

Rakdos+ decks might be interested in sacrificing them to cards like Goblin Bombardment and Ashnod's Altar, especially if they're stealing cards with temporary Threaten effects

[Main] By suspending this Tamer and trashing the top stacked card of 1 of your [Armor Form] trait Digimon, Draw 1 and gain 1 memory

As is typically the case with Pokemon TCG cards, condition plays a major role in the price of these cards, with near-mint (NM) copies commanding noticeably more money

Where might we have seen your work before

This is more of a casual, themed deck, but with the right metagame and new supporting cards, it could be a competitor