The plus loyalty ability brings card draw and lifegain, which is a killer combination to build momentum
Its not unusual for players to pick a broad theme like creatures that have alternate anime arts and then fill in with a few spells that might not have anime art, but still fit the decks strategy
Theoretically, you arent going to have a million creatures on the battlefield
Nantuko Husk is a Zombie, of course, but also a great way to trigger Relentless Dead, Shambling Goblin, and Liliana, Heretical Healer
Ezuri is one of the most straightforward lists to run, and only gets better with the more kindred-based spells you include
Early on it can help you hit land drops or find interaction like Pinnacle Starcage or Split Up