This is crucial for decks like Raging Bolt that need a lot of energy cards to maximize their damage, so Professor Sada's Vitality is the most important card in those decks and is a necessity for them to function
This will get around indestructible and regeneration
If you suspend it, people will see it coming (plus you have to wait those five turns), but suspending the card can also be a deterrent to people putting out creatures that are overly large
And then he broke out a high contrast Sumi-e drawing style that is entirely on brand, with no reference to it in his portfolio
Despite the low pull rate, many collectors preferred the original coloring of the SR versions, so many HR cards have a lower market price than their SR counterparts
The cards artwork and popularity increased its value, and most known copies are held by private collectors who do not share their identities