Cards showing the relationship between the characters, and especially this tender moment in Lake Macalania, sell better than the actual power of the card
Master of the Feast Being a big flier is nice for Master of the Feast, but that mana value, though
Slow Setup and Inefficient Deck Garchomp ex is a Two-Stage Pokmon, involving several evolutions that take up six deck slots
We will choose the colors that best match the character (at the moment in time the card represents). This is a pretty solid argument, and one youd expect from a Designers perspective
Argue all you want for Incinerate, which came out in Ice Age and replaced Lighning Bolt in the core set, saving one Red Mana to keep your opponent in fear is a lot better than having to save two
The same is true for counters that change the creature's power and/or toughness