You can pay the Buyback cost on a copied spell, but since it's a copy and not the card itself, the copy will fizzle into nonexistence after it resolves
This is down to it being the most visually striking but also the fact that its the rarest Pokmon from the first Game Boy games
It is making the rounds on social media and generating clicks and views
Birds of Paradise 7 Great card that is more consistent than Deathrite Shaman in the main role you want the card to perform - producing any colour of mana
However, it's great in a pinch, and if you need another board wipe later, you could redraw it after you shuffle it back into your deck
However, if youre copying and taking things that other people have, its hard for them to argue that youre overpowering them, since theyre the ones who put those cards in the game