Since it casts odd-costed cards for free whenever it attacks, stacking your library puts you in control of huge swings
(Far as I can tell, that may have been Mark Poole, who started numbering some early proofs but found the practice onerous and abandoned doing so for a number of years.) Numbering highlighted the true limited edition status of these cards, and most artists have followed suit
It is nice that it triggers when you counter something cheap, as countering something that costs less than three feels particularly bad with this kind of card, so at least you get a consolation prize This sort of bounce effect is usually solid card not usually amazing because it is card disadvantage, but in a lot of decks the tempo is big and when you can use it to trade 1-for-1 and get tempo it feels pretty absurd
Suplex captures an iconic moment from Final Fantasy VI that has been endlessly memed on by fans, but its also a very solid removal spell that lets red completely remove certain problems with minimal fuss
Would it make a lick of sense if it did
Luckily, Wilds of Eldraine boosters will sell for something much closer to normal prices