yugioh egyptian god cards secret rare Slime (Platinum Rare) - RA01-EN029 - Platinum Secret Every English Print of the

That doesnt quite overcome the issue of this spell costing a card from your hand without impacting the board or really doing much unless you have a specific synergy to break it

Alpha Cut Corners: There have been mistakes in the past where the incorrect corner cutting die was used to round the corners of cards

A concession causes you to leave the game, which then causes you to lose the game (Once you concede, you no longer control a Platinum Angel, so its ability can't prevent you from losing the game)

Its also incredibly resilient thanks to its graveyard-casting ability, so its hard to keep down

I dont think Ive ever been in that scenario