quaxly holographic card (Reverse Holo) - Surging Sparks your opponent flips a coin Pokemon - Quaxly 050/193 -

It's not really practical to provide point-by-point proof that every single image that appears in its products isn't generated by AI, but if fans refuse to take the company's word for it, as is the case here, what then

If it sticks around, it wins the game

Unlike that card, this applies until the end of the next turn

It is rather on the all in side, not only because it hits your total resources pretty hard but because of the style of deck where Smallpox is optimal - if all your cards are cheap (or at least the ones you plan to cast) then you are less likely to have that much late game legs

Hex Parasite will do it, as will Vampire Hexmage, which also adds a first strike creature to your graveyard