As with Timmy/Tammy, being a Spike is about why you play, not how well you play
The fact that several of these plays will still be available in games you struggle to assemble Tron is a big get for Karn disciples
9 Restart Sequence Reanimation Sequence More Like Reanimating a creature for one generic and one black mana is a great deal, especially if your target is a game-ending monstrosity like Emrakul, The Aeons Torn
In order for this effect to resolve, your deck would have to be almost entirely Monster cards
This does put him in the entertaining situation of going infinite with other versions of himself (notably not Niv-Mizzet, DracogeniusNiv-Mizzet, Dracogenius, for those keeping score at home), in perhaps one of the best mechanics-meet-flavor designs we've ever seen
Will's the reverse of that, but gaining life and discounting blue/white spells isn't nearly as dangerous, even if you can get a cheap Sphinx's Revelation or Heliod's Intervention out of this