Red doesnt have a ton of stax pieces outside of cards like Blood Moon to punish greedy mana bases or Harsh Mentor style effects to tax activated abilities, but it offers some power and utility at ending the game
You can buy inserts like this from your local board game/hobby store
The dot code matrix is invisible to the naked eye, and it's one of the ways governments track the specifics of where documents come from
In this route, an ideal hand is going to look something like this: A Pawpsicle A Sail the Azurite Sea A Fishbone Quill A Flaversham This set up ensures that you get your draw engine and ramp engine going off on the right foot, and is probably your strongest set up early game
You just do not see this kind of overwhelming mana advantage often and especially do not see it outside of Green
This is often fine, one loot can be all you need and having a Jace Telepath Unbound in play afterwards is a much better deal than you get with other comparable discard outlets such as Heir of Falkenrath