With this deck, I want to combine a go-wide strategy with +1/+1 counters
with Adventure Awaits, its now a matter whether you get something or something you wanted. The floor on what to expect from casting this spell is not as disappointing
Similarly, if all of the attacking player's other opponents leave the game before Suppressor Skyguard's last ability resolves, the condition will no longer be true when the ability tries to resolve, the ability won't resolve, and damage won't be prevented
Once you put it back into the Active Spot, you will be able to use Megaton Cannon for two consecutive turns as Retreating removes the attack restriction from Megaton Cannon
For something different, try out Venusaur ex and Mewtwo ex deck guides
On top of all of that, the Charizard ex card being spoken about is one which has Terastallized into the Dark-type, thus bringing the novelty factor into the picture