Success requires understanding the economys mechanics, optimizing your daily routine, and making strategic resource decisions
So when were discussing Every MTG card ever made I think its reasonable to exclude vanilla card translations, as theyre more akin to changing subtitles on a film, but non-English printings with unique art and other characteristics specifically unique to those cards almost certainly must be included in the grand total
Itd be a little hard to keep track of, what with Evolve giving it +1/+1 counters and Prowess giving it a temporary +1/+1, but it would still make for a very interesting and fun to play rare
But lets address the real issue here, and that's price
Thats not quite a full proliferation effect, but that would be just absurd
The initial cost is high, sure, but in the formats that it is playable in, you're typically only going to be using it during the late-game, where mana isn't too hard to come by