Force of Savagery isnt a card that merely works better as a combo pieceits that very rare card that depends on combos to even stay alive, let alone be useful
The cards appear in 1 in 12 Set Boosters, with 1 in every Collector Booster
For those not following how this works in the back, allow me to help out
I wouldnt say its useless in Constructed play, but I dont really see it being anyones first choice unless youre specifically building around adventure cards
Nevertheless, Shiva can attack once on the second turn after play, making it an interesting combination between an enchantment and a creature
In this case, Dungeons can be seen as just an extra bit of value on top of what you're already doing: a bit of life here, a scry there