cards with annihilator mtg Ultron, Artificial Malevolence (Commander) - cEDH create a 2/2 colorless Robot Villain artifact creature token Annihilate & Steal! The Ultimate

As a Green creature and one that comes down cheaply, Realmwalker is made for decks exactly like this: creature-based decks that want to lean into a tribe lacking traditionally powerful options

City of Brass has seen multiple printings since it isn't on the Reserved List, but its original Arabian Night printing is far and away the most expensive version of it while other versions generally float around the $10 range

Vivi Ornitier is a Mythic, Legendary Creature - Wizard card from the Magic The Gathering set Universes Beyond - Final Fantasy (MTGSC-FIN-0514)

And finally, one of the better Merfolk commanders to ever be printed, Kumena, Tyrant of Orazca, is also included in case you want to swap out commanders, giving you some incredible power in the Command Zone.