If you're looking to start collecting, make sure to do thorough research before purchasing to ensure you're buying valuable and authentic cards
It tends to value highly in any set it appears in, but none are as rare as EX Deoxys' Rayquaza Gold Star, which only has 56 verified PSA 10 quality cards in circulation, putting it on par with the famous Holo Base Set Shadowless Charizard
These cards are some of the most demanding in terms of support required
Even then, you still get any enter the battlefield triggers, as well as having a massive creature in play for free
Bane-Marked Leonin Black Cat Cauldron Familiar Dreadmalkin Entrails Feaster Falthis, Shadowcat Familiar Lion Vulture Merchant of Venom Mirri the Cursed Myrkul's Invoker Nine-Lives Familiar Purraj of Urborg Risen Necroregent Skyclave Shadowcat Undead Leotau Urborg Panther Venomized Cat Warehouse Tabby Windgrace Acolyte
One of the easiest ways to increase the effectiveness of a creature in a multiplayer format like Commander is to give it flash