With three opponents, we could get triple the triggers on the nonsense that they're doing, and us giving them extra cards will only encourage them to do more nonsense
Gravecrawler is an incredibly simple card
A 3/4 for 3 with flash is a fine rate on a body, and the ability that forces a player to shuffle their library into their deck makes it a great answer to some really unfair strategies like reanimator or anything running Underworld Breach
Grouphug decks will love this, and depending on the metagame of your Commander and cEDH pod alike, Tataru Taru can appear anywhere since its just two mana
Alongside his ink cost, Simba has a modest design of equal fours in both strength and willpower, a shift cost of 3 making him cheaper to bring to the table, a lore value of 2 for respectable questing, and his ability to Understand the Balance that allows Simbas controlling player to ready his allies at the end of the turn if Simba himself is in an exerted state by that time
All these factors combined make Belle an absolute gem for any discard-loving player and a royal pain for everyone else