I remember back in the day even going out of my way to NOT purchase something simply so I didnt have to record it afterwards
Gameplay-wise, Dinosaur playstyles typically revolve around using high-ATK monsters and offensive Monster Effects, Special Summoning high-Level Main Deck monsters, effects that destroy friendly Dinosaurs for advantage, or advantageous effects that trigger from being destroyed by friendly cards
So, Unlimited cards have a lower population in comparison
Typically, the only other way to use its effect is to use its other effect as a recycling tool for yourself
If a battle is somehow attached to a permanent, it becomes unattached
Once Omniscience is on the board, you can cast Marang River Regent, bounce a second Regent, and repeat the cycle to draw your entire deck with Roiling Dragonstorm