Getting a critical mass of stuff into play supercharges your game plan and squeezes the most value out of enablers like Oath of TeferiOath of Teferi, Heroes' PodiumHeroes' Podium, Banner of KinshipBanner of Kinship, and others, depending on what you're trying to do
This card's value and beauty justify spending money to grade it, and the increase in its value will be worth the effort
Commune with Lava was talked about at the time, but never did anything
These abilities all scale in usefulness with the number of Bobbleheads you have under your control
With Carmine's secret rare Trainer card already worth hundreds, these will likely prove worthy additions to any Pokmon Trading Card Game collection before long
Still, cheap cards can bypass this limit if their mana value is cheap enough and the effect is repeatable throughout the game