At this point, the game with the note inside has been in circulation (or in one of our fulfillment centers) for over 18 months, so Im comfortable mentioning it here
I have played (on the draw obviously) Blackmail and had it be better than a Coercion (they had a land I could take!)
It is never really the threat used post Upheaval that won the game and that is why Upheaval makes this list
Try mixing in Jumpstart Boosters from other sets like March of the Machine or Jumpstart 2022 to brew up new deck synergies, because Jumpstart Boosters are compatible with each other regardless of the set they're from
This makes Zuko bigger for the next attack, which generates even more mana, allowing you to cast more spells and grow your army even larger
One or two warriors becomes a whole army, which would be good on its own, but for some reason Wizards saw fit that Najeelas tokens make tokens themselves on future combat steps