All of us who loved the impossible Arcane Bombardment will try Festival of Embers, but I have a lot of doubts
Home printers cant typically print cards that look and feel like Magic cards, but theres a plethora of sites that let you insert a deck list and format a PDF file thats easy to print on regular printer paper
Theres a potential damage amplifier in Spiked Corridor // Torture Pit and a mana doubler in Barbflare Gremlin, but those arent super unique effects anymore
Competing with larger brands in the selling space for organic visibility
When you have a mana sink in play, you might still prefer to draw more spells, but when you inevitably start drawing more lands than you need, at least you can put them to some use
The most common use of the hypergeometric calculator will be to check opening hand math, but you can also use it to check what it will take to be able to cast a WWW spell on turn three or what the odds are of having drawn X number of lands by turn Y