Queen is immense on defense but it is no where near the game ending power or speed of Avenger
Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to Fiend Artisan may become lethal if creature cards leave your graveyard during that turn
Either way, the counters dont move until the movement effect resolves, and the sender and receiver still need to be there for the exchange to happen
Disincentive attacks on you with Sphere of Safety, and when all else fails, just hit Teferi's Protection to keep all your bases covered
Sounds like a great fit for our Dice Roll Tribal
Dark Apostle is a fun card, hammering home the Chaos theme, while Kharn shows off his namesake by going around the table so that he can hit more stuff