Add Blood Artist or Corpse Knight for infinite damage
Youre guaranteed to get those cards in that type of product, so there are no chances involved with finding the card in a pack
This makes it exciting, since you can build a fun and functional deck around any commander or archetype
The main reason for this is that Progenitus has protection from everything, doesn't matter what it is, or what creatures your opponents have out, nothing is stopping the Progenitus from coming in
(1) If this card is Normal or Special Summoned: You can banish 1 card from your hand, and if you do, Special Summon 1 Level 4 or lower Psychic monster from your Deck, except Serene Psychic Girl, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Psychic monsters
Assassin decks are known for their alternate win conditions