While Belle is a major payoff, shes also an integral part of sapphires ramp strategy allowing you to play an additional card from your hand into your inkwell once per turn
Auras like Ethereal Armor, Battle Mastery, and Timely Ward can make Zur more formidable for an expedited win
Super Shredder gets bigger
Shredder, Shadow Master | 3 Colorless Mana, 2 Black Mana Legendary Creature Human Ninja Whenever Shredder attacks a player, for each of their opponents, create a token thats a copy of Shredder tapped and attacking that player, except it isnt legendary
Starting as a 4/4 for 4 mana, Zegana has solid base stats, but her Adapt 4 ability can transform her into an 8/8 trampling powerhouse