I adore it in casual town where you can get the perfect answer to a problem and the perfect problem for a board state
Final showdown is an amazing wrath, owing largely to the fact that it gets around Indestructible effects
The fear of the unknown combined with the threat of potential will induce a lot of mistakes and overly conservative play
Yes, it's infinite, but since each trigger occurs after the resolution of the previous one, then after your opponent reaches 0 life, the game ends
Breach the Multiverse costs seven, has each player mill ten, and you can choose a dork/planeswalker from each graveyard and send it to your side
Conversion Apparatus Another lovely entry in the genre of what does a three-cost mana rock have to do to see play and spoilers, I think this one definitely makes it over that bar