As for Tawnos, Urzas Apprentice, well, Gavin Verhey once used him as an example in why they only do two new commanders for decks these days
With Venusaur ex already having a whopping 190 health, this will slow down your opponent as they try to land enough of a dent on your Pokemon to score points
Pokmon may only evolve once per turn, and may not evolve on the turn they are played
(The most dangerous part of an opponent drawing a lot of cards is their ability to cast lots of powerful spells in one turn, so that's why affecting the number of spells they can cast is a great aspect of this list.) Cards that can make an opponent discard their entire hand, even if lets them draw 4 or fewer cards afterwards
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Further down the thread, more powerful comparisons started creeping in