Even with Weird and Thallid as early-game blockers, a deck running this combo will struggle in the format
I Call for Slaughter Scheme When you set this scheme in motion, create three 1/1 red Devil creature tokens with "When this creature dies, it deals 1 damage to any target." They gain haste until end of turn
Chandra's Regulator was surprisingly effective, not only for doubling up on abilities but giving the Mono-Red deck the ability to control its draw step for a very reasonable cost
Summon an Ancient Artifact or Mystic Artifact token
Avoid fights whenever possible, as your characters arent great at challenging, unless you use the Challenger and strength effects
While you shouldnt rely too much on tapped lands, these ones generate three different colors of mana, and they end up being the cornerstone of mana bases