Normally, The Sixth Doctor costs a bit of mana to cast, but with Amazing Spider-Man, you can get The Sixth Doctor down on the battlefield for only three mana, letting you take advantage of its effect during the early stages of the game
Necropotence essentially, at the very low cost of 'cards that are discarded get exiled', swaps your regular draw phase for 'pay X life, draw X cards next turn'
That means it burns out quick if interacted with, but both Reveillark and Vesperlark can help you recover from a blowout
Ezuri, Stalker of Spheres is a strong roleplayer in Proliferate decks, and could make for a fun Commander
MTG Jumpstart If you find you're worried about getting crushed by more experienced players, we recommend the level playing field of the Jumpstart format
If this is your position and you're Gaston, you should not attack and try to trade