Your best bet to get cards is to visit your friendly local card game store
You can return a creature from your graveyard to your hand, make someone discard a card, destroy an artifact or deal two damage to something
Its about crafting a deck youre proud of, that tells your story and is a blast to play
Since we are playing Archfiend, we can potentially curve straight into a demon next turn, and I have won many games againt control decks by getting a Chamber out early and then being able to make the 6/6 demon with the ability while they are holding Three Steps Ahead to counter any card I would be playing instead
By copying planeswalker abilities when it hits, it doubles your activations for a turn
ETB creatures exist across every Magic color at pretty much any point in the mana curve, so we have a lot to look at