If you're looking to make Anowon even stronger through upgrades, I would suggest adding more powerful Rogues like Thada Adel, Acquisitor, more ways to generate value through combat like Knowledge Exploitation, and finally more ways to plunder our opponents' graveyards like Mnemonic Betrayal
One important identifying factor when looking for Shadowless cards is that they are guaranteed to come from English long crimp booster packs and have a chance appearing in short crimp packs
If you have multiple copies of extremely rare cards, like Crown Rares, Immersive Rares, or Rainbow Rares, its better to avoid sacrificing them for all the methods mentioned in this article, as there might be better features where you can use them in the future
Mechanically theres a food/token theme present, which is the archetype of this collection
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