The first is that you can only sensibly use Channel to play colourless cards limiting you to Eldrazi, Colossus and potentially some of the 6 and 7 mana artifact dorks
Its great since its hard to abuse in a traditional sense
With a Welder and other aggressive Fire engines, Centiskorch VMAX can build up unbelievably powerful attacks
Only your first victory will give you a reward card (an uncommon card, with a low chance of being rare or mythical)
A big part of that comes from Zimone, Mystery Unraveler, who is such a terrifying commander, able to cheat giant creatures onto the board, and facedown, which will always leave your enemies second-guessing
Raise the Palisade is a one-sided non-wraith bounce to clear the way