In the Sword and Shield block of cards, there are plenty of powerful Pokmon V, VMAX, and Shiny Vault cards to explore
Being such a synergy based deck you are absolutely best off going into extra colours so as to get the most suitable card pairings with the highest base power you can manage
Though there arent very many damage prevention effects, the ones available are pretty efficient, and come with some nice added extras, like a creature, or having flashback
5 Barbed Servitor How Would You Like Your Combo, Sir
Arcane Encyclopedia, while not a direct comparison, still beats out the Intelligence Bobblehead in terms of value
Demand for even the regular, non-foil versions of Everybody Lives