mtg mind seize commander deck All 8 Grixis Precons in Magic Ranked a Commander deck may not contain double cards and in the card selection for the deck you are also limited to the colors of your commander Secrets of Strixhaven Commander Decklists

The rebacked and old proxy cards can easily be identified by their weight and thickness while the blue core proxies are of very high quality and are a bit hard to identify and need to be tested by looking at the details of their printing pattern and direct exposure to light for penetrability

You're definitely here for the cost reduction

Zada, Hedron Grinder Uncommon commanders can still be powerful Zada, Hedron Grinder represents a whole class of uncommon legendary creatures who cost pennies and make for excellent commanders

There might be some combat-focused blue deck Im missing

Some obvious candidates come to mind, with the Power Nine being the first and foremost ones

You dont need to do much work to fill your deck with historic permanents