If I had to assign a traditional role-playing game character type to this deck, it would be a paladin or other tank-style role that focuses more on taking a lot of hits while dealing damage to their opponents
You can add oil counters using proliferate or The Monumental Facade, which transfers oil counters from itself to any creature or artifact
It provides the ability to grind out when you run out of cards, almost giving you an extra card draw each turn, but better, as it's a permanent of your choice from your graveyard, nulling any efforts by your opponent when using removal spells
On the other hand, getting a bunch of expensive reprints is one of the big reasons to buy a Commander deck
it depicts Umbreon giving a sideways look outside a window at night with (yes, of course) a full moon peeking out way in the background with its light gently gleaming onto Umbreons back