WotC has a special design team called Play Design, which is mainly responsible for playtesting MTG formats, including Limited and Constructed (mainly Standard)
But today one of the first things you look at when you see a new card is probably the creature type
Getting artifacts isnt hard not only are 50% of whites creatures and blues tokens artifact creatures, but the overall focus on artifact tokens (and complementary red artifact theme) mean there should be plenty to splash for even if you find this archetype contested
However, Pokemon like Aerodactyl have special Poke-Bodies that take advantage of being loaded up with these Energy cards
With the ceiling being four extra mana, why say no
Lets read the release notes on that ability for clarification on how it works: The target creature of Asmoranomardicadaistinaculdacars last ability is the source of the damage, not Asmoranomardicadaistinaculdacar itself