Blasphemous Act actually costs one generic mana less for each creature on the battlefield, and it can actually cost as little as one mana
I like the group hug strategy overall, but one problem is that your deck often draws into more group hug pieces without actually getting ahead
However, if you're not in a rush, this card isn't likely to soar in price, so you could always wait and see when the opportunity arises
Gauntlet of Power is also in the list, and will let me choose a color and both buff Creatures of that color by +1/+1 and have basic Lands that produce that color add an additional mana when they are tapped
This Pokemon booster box introduces a third battle style called Fusion Strike
9 Skithiryx, The Blight Dragon Skithiryx, the Blight Dragon is a nightmare scenario to play against