"It does happen on occasion." No matter how much testing you perform, once it's done, it's done
Meanwhile, Izzet Charm can still counter that planeswalker (admittedly in a much less efficient way since it costs twice as much as Spell Pierce does), but it can also kill the Dark Confidant and, when the other modes are dead, potentially improve your hand by looting away some extra lands, Faithless Lootingstyle
A recommended banned list for the Commander format is maintained by the rules committee at MTGCommander.net, not by Wizards of the Coast
Several days later, at the garage, Akiza arrives, looking for opponents to spar with
Tin Pack Set: The Collector's Metal Box Tin Pack Sets follow the same concept as Pokmon Tins or Yu-Gi-Oh
Use Infernal Phantom's power as it last existed on the battlefield to determine how much damage it deals due to its last ability