Keep Red Elemental Blast or Rebuff the Wicked handy
More details on the PFM events and prizes can be found here
There are plenty of early game plays (17 two-drops), solid cards on the top end, and a full 10 ramp spells
You could also argue for the necessity of yet another new MTG Arena format - something that goes beyond Historic in order to better replicate the cards available in paper
Set up the [Counter] Events "ST04-016 Blast Breath", "OP02-089 Judgment of Hell", and "OP04-076 Weakness...Is an Unforgivable Sin." to establish a defense normally unheard of when starting with four Life cards
Food Chain is the most common partner in crime for Prossh, generating infinite mana (for creature spells), tokens, and death triggers simultaneously from there its just a matter of choosing how you want to end the game