The key thing with Ureni is unlike Craterhoof, it prevents the crack back if you are unable to finish them off that turn
The Hidden Fates set contains 232 cards in total
To play a Charizard from the original set of Pokmon TCG cards against modern-day decks would be a fools errand
Assuming the Creature doesn't die, a common play pattern could be to cast Emeritus of Woe, then next turn cast Demonic Tutor, search up a potent removal spell, kill a Creature via combat, and gain access to another copy of Demonic Tutor
That said, its also some of the most fun Ive ever had in games of Commander
Its a community built on the thrill of the chase, the satisfaction of assembling a winning deck, and the shared love for these iconic creatures