The genre shift required new mechanics and factions, but has allowed the game to bring back some old enemies too
Like most Magic: The Gathering cards, the value of Vigor depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Fallout)
BUT if the strategy/theme involves untap/tap effects like Intruder Alarm & Faces of the Past, this card makes more sense (although it still needs haste from Lightning Greaves)
Anytime Satya attacks, you get to make a token copy of any other creature you control, through the token comes in also tapped an attacking
Provided they continue to receive support from Konami, there is hope for the deck to reach new heights in future events.
Can You Tap a Summoning Sick Creature to Harmonize