The Silvers Rayleigh OP08-118 cards ability to neutralize multiple threats in one play makes him perfect for Red finisher strategies
However, if you can run it, he can be absolute gas in a singing deck
While they read like niche color hate, the absurd efficiency of a one-mana counterspell/one-mana removal split card elevates this to an S+ sideboard card for red decks, and a mirror-beater for any blue deck capable of fetching Volcanic Island which is all of them
For example, if you choose protection from Demons and from Dragons (totally counts), you can't choose protection from red later that day
Roar of Resistance Roar of Resistance acts as a token-specific haste enabler, and I can see using this alongside an infinite combat engine that somehow also gives you mana
Everyone is on an even playing field with the same cards, discovering the new mechanics for the first time