Were coming off a period of horribly negative global sentiment stemming from the Great Financial Crisis
While other creatures and card types have different effects once played, they all follow this same basic mana purchase system
Its a staple for any deck that can produce a Level 10 Synchro using Light and Dark monsters, like Labrynth or Bystial variants
If you have Academy Manufactor on the field, then you also create a Treasure Token and a Food Token every time you investigate, leading to endless ETBs, endless LTBs, endless Clue, Treasure, and Food Tokens, infinite lifegain, infinite card draw, infinite draw triggers, and infinite mana
It's almost certainly too cute, but I have a real soft spot for Scavenged Brawler, if you want it's a sweet buff from the graveyard, but since it also has all those abilities as a creature you can use it as a decent base body in a pinch I guess
Then go to the final colourful version." Each of those three phases has a check and approval procedure that takes some time