Your Launch and Cruella de Vil, Fashionable Cruiser are the only tools you have to deal with the Emerald/Ruby deck's Evasives, and launch requires you to play and banish an item, and you only have seven of those
Sandman's first ability works in all zones, not only the battlefield
It can transform if instructed to do so
Yet Another Aether Vortex How does YAAV deal with effects that normally happen when a card comes into play
After the action ability is resolved, if the chosen Summon leaves the Break Zone before it is cast, it cannot be cast
Creating multiple copies of powerful Slivers like Virulent Sliver, who can give slivers multiple instances of poisonous, or even just Predatory Sliver or Battle Sliver, who give a flat power buff to other slivers, is going to be one of the strongest strategies in this deck