Fallen Feline aka Pithing Needle
If you wanted to take a look through every card, ever, including tokens, ad cards, Art Series cards, Schemes, Vanguard cards, and who knows what else, that final number comes to a titanic 99,599 cards from across Magic's history
Say that your opponent is trying to destroy your best creature
In particular, Innistrad introduced double-faced transforming cards to reflect its horror inspiration
Credit: Wizards of the Coast Cyberman Patrol TheChirurgeon: This feels like a cool (read: Less Powerful) way to turn a go-wide strategy into killing someone, making it impossible for them to block your army of artifact goobers without losing 3 life per attacker