Pro Sets
A pro set is a unique 4-3 formation that cannot be stolen by anything.
Perfect Pairs
There are two types of pro sets. A perfectly paired formation that complements each other.

Example of a perfect paired Shotgun & Pistol Formation that can’t be stolen.
Uniformed
A uniformed formation that consists of all like cards.
All of the same cards.

Example of a uniformed Shotgun Formation that can’t be stolen.