Heatmor (Fusion Strike), Ninetales (Obsidian Flames), and Blaziken (Destined Rivals) all spread damage to the bench and knock out crucial support Pokmon
Some of the things you could do to drop the cost of building a similar Sliver deck would be: cutting Sliver Queen for another Sliver, changing out fetch lands for less expensive lands, adding in Terramorphic Expanse and Evolving Wilds, and running more basic land with Explosive Vegetation and other basic land search spells
They're permanents that can be cast when the stack is empty
Even if the binder is accidentally dropped upside down or stored inverted, the cards cannot slide out of their pockets
The Soul Stone The Soul Stone is an all-powerful artifact that can be used by the possessor to attack someone elses soul
In fact, this mono-white win con does a better job milling than most blue decks