tandemaus pokemon card 167/193 (Reverse holo) - Paldea Evolved [Colorless]. Tandemaus - 157/191 - Reverse

This is the type of cheesy meta joke that feels perfectly suited to Deadpool (or at least depictions of the character that don't get bogged down in crude humor or catchphrases)

An ability that advances a Class to a higher level is a normal activated ability

9 Green-Yellow Trafalgar D

While Enduring Renewal never ended up being used beyond this type of deck, it was good enough to dominate more than one Extended season

As such I tend to prefer the Study although there is still a good deal of surprise plays you can make with this

Some pros even advise that the best Brainstorm is the one you never cast, as its immense potential in terms of card quality can be game-changing