To behold a Dragon, you can either choose a Dragon you controlyou know, just point at itor reveal a Dragon card from your hand
it also provides a stronger incentive for people simply looking to flip the cards for a profit to buy them all up
2UB, Return an unblocked attacking Rogue you control to its owner's hand: Put Zareth San, the Trickster from your hand onto the battlefield tapped and attacking
Magic Head Designer Mark Rosewater has stated publicly about the Reserved List and those who would like to see it abolished, I cant go into details, but I think you all will be mentally happier if you accept that its not going to change. What Types of Cards Are on the Reserved List
Flashback does mean you get a 2-for-1 eventually, though
The deck also feels a bit ramp-light (although this is a theme across the Commander 2020 decks, with most having around seven ramp spells), especially considering the average converted mana cost of the deck is a massive 4.26