My money's on Ampharos, since it surely has more fans, but since we're bound to see all 48 of the Mega Evolutions (information courtesy of our 'How many Pokmon are there?' guide) over the course of the Mega Evolution series, perhaps the Pokmon Company will want to space them out
Namaari, Morning Mist Block and barrage your opponents Princess of the Fang Kingdom from Raya and the Last Dragon, Namaari is a ruthless fighter who is the perfect unmovable counter to Rayas furious aggression
But in the other two cases I see it being a no-brainer swap
If you're looking to collect your favorite Charizard cards and want to see how high this Pokemon's price can fly, here are the most valuable Charizard cards for you to hunt down
New Blood [Vampire deck]: Tap a small Vampire to gain control of a big something one of your opponents controls
It keeps it simple and for four mana does a clean sweep of all the lands on board