If the card has any mandatory additional costs, such as sacrificing a creature, those must be paid to cast the card
Achilles Davenport is close enough in design, although it doesnt give you the alternative wincon
Spelltable is a popular site that gained prominence in 2020 when most of the world went into lockdown
A very, very early run here, you can tell by the lack of the shadow around the box border of Charizard, which is what makes this valuable
If the metagame ends up adapting to this new threat, however, then it could end up falling out of favor
I hate to say it but I suspect that at some point in the probably not-too-distant future, it won't matter, either because we lose interest in the whole thing or it simply becomes impossible to tell what's AI art and what isn't