These cards, for many years at least, became somewhat of an amusing oddity for collectors, but as printing errors continue, some have become less amused
Because we wanted to show a lot of creatures using technology, we decided we liked the idea of using +1/+1 counters to illustrate that something is enhanced by inventions
Because the set was announced so early and I was still in the thick of working on it as people learned about it, I had the unique opportunity to hear about what people wanted while we could get it into the set
I went with my head and to this day regret that decision
Experimenting with mana doubling on a 2-drop is dangerous territory, and I find it unwise that this card was printed as it is
Invasion of Karsus will mop up opposing chump blockers and half-used planeswalkers (like a post-removal Wandering Emperor)