We will not go through every single promo variant here but rather focus on a few key promo cards and mistakes that can be made
Expansion Symbols An easy way to tell a cards rarity is by looking at the expansion symbol on any card printed from Exodus (June 1998) or later
Here in the UK, sites such as Magic Madhouse, Total Cards and Chaos Cards similarly offer ways to quickly search through for a specific card
Two copies of your best dork right up front
As always, happy brewing, and in the event you're a proud member of the Azorius Senate, may you continue to put your opponents in their place, even if only for a turn
Once that indestructible counter is placed on that card, it feels as statuesque and hard to get rid of as an enchantment