This will be some interesting tech in a lot of decks, especially food centric ones but even as a nice piece against certain strategies
The deck has decent staple reprints, notably Academy Ruins, Panharmonicon, Conjurer's Closet, Arcane Denial, and Lightning Greaves
Deputy of Detention will certainly be used differently in heads-up Magic , but in Commander, we use this effect to get rid of oodles of tokens, and it will do that just as effectively as its enchantment counterpart
A hasty 7/5 that cant be blocked by chump tokens or utility dorks is threatening, especially because the cost of trying to get rid of it is losing an artifact or creature
On top of that, it reads: Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield. Everyone likes free stuff, and that free stuff is even better if its a 15-mana Earthquake Dragon
White Plume Adventurer was eventually banned in Legacy, while many of the common initiative cards like Aarakocra Sneak and Vicious Battlerager were banned in Pauper