mtg commander masters card list price / Card database may be found here MTG / Commander Masters Variants

Lorcana Reign of Jafar Overview Set size: 226 cards (204 base cards + 18 Enchanted) Configuration 12 Cards per Pack, 24 Packs per Box, 4 Boxes per Case Key Features Reign of Jafar focuses on new mechanics like the Illusion character type, the Vanish keyword, and even more dual-ink cards

But I think this could be a safe choice in the age of creature-heavy precons

This Ruby card has an Ink cost of 4, making it pretty easy to get into play too

Forcing opponents to pay with life or mana after dealing damage Elesh Norn nullifies wide aggressive strategies effortlessly

It looks simple, but theres a surprising amount of play to Terminal Velocity

From a law perspective, yes, custom Magic cards are legal for personal use only