Jumprope

[oak basin]

Selling this Joker creates a copy of the last obtained tag

Could be considered a worse/better Diet Cola, and idk if this has been made before, so :P

A simple idea I wanna throw out there

[merry terrace]

You kind of said it yourself, it's just Diet Cola but slightly different

[dire coyote]

in part, you took the words from my mouth, this is merely diet cola albeit somewhat modified

[ocean sphinx]

Just as in some cases you have already iterated it, this is simply a recreation of diet cola with a minor alteration