It's no secret that drawing cards is among the strongest things a player can do in Magic, and Kindred Discovery allows a player piloting a tribal deck to reliably convert their creatures into card draw
The List for Kamigawa: Neon Dynasty The List for Innistrad: Crimson Vow The List for Innistrad: Midnight Hunt The List for Dungeons & Dragons: Adventures in the Forgotten Realms The List for Modern Horizons 2 The List for Strixhaven: School of Mages The List for Kaldheim The List for Zendikar Rising Note: Cards that appear in The List are not made legal in Standard if they were not legal before
The initial delay is a big deal, mind you
A player who has priority may cast a sorcery card from their hand during a main phase of their turn when the stack is empty
Applejack turns your toys into token creatures with the names, colors, and creature types of your toys, as well as the presence or absence of wings and horns
You will need at least one other Zombie in play to be able to cast Gravecrawler from the graveyard, but once you get going, you can keep sacrificing your spare Zombie token to keep looping death triggers for whatever outlet you need