One of them (Evoking) represents card disadvantage in exchange for efficiency, and once you start to cast Solitude for its full cost you will get the opposite, a two for one
To help ease this difficulty, Duelists may apply any of the following rules: Monster League and Crossover (below)
However, if you do see your opponent set a monster and end their turn, chances are they couldnt do anything and are losing anyway
High marks for being stupidly strong, but Im knocking it down a few pegs because its only here on a technicality
This way, they stay hidden
Secret rare cards are highly sought after by collectors everywhere, as they are seen as incredibly valuable thanks to the unique illustrations that are made by very talented artists