The overload ability separates this instant from every other board wipe in the format
Building Time When Commander 2016 finally becomes available on November 11th, the world will race to start playing games with the new legendary creatures
If you can combine it with Ephemerate, as the four-colour decks often do, you can set up some devastating turns where you just wipe the opponents board
However, its in Arthurs ability that he truly shines: when played, he can give a chosen character Challenger +2 and Resist +2 (that means they get +2 Strength while Challenging and a reduction of 2 damage thats being dealt to them), plus they can also challenge Ready, not Exerted, characters on the same turn too
There are battlefield states you can back yourself into which keep you from being able to do anything for turns on end
Now we have creatures such as Professional Face-Breaker, Goldspan Dragon, Lotho, Corrupt Shirriff, Grim Hireling, Academy Manufactor, and the new Kellogg, Dangerous Mind