Chart shows the price of Enter the Avatar State #18 at the end of each month going back as long as we have tracked the item.
Spellspear swaps haste for trample, but that's more of a sidegrade trade than a straight nerf in most cases as far as Standard is concerned
Beyond the mythics, black has a couple of unexciting cards in the $3 range mixed with a few bulk rares
The first and easiest way to combo off and win with the dragon is through Animate Dead or Necromancy, which can generate infinite mana through lands or infinite ETBs with whatever creatures you have in play
Card draw is a struggle and it's easy to run out of steam with so many low-cost, low-impact characters, but it's a puppy-themed deck that lets you flood the board with adorable dogs, so it gets a huge pass on its relative lack of synergy
I just question how useful it is after you already have enough to cast a 7-mana commander