To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of Blasphemous Act)
This variety of spell types has the helpful side effect of providing Death Toll with a lot of tools
The land can even open up domain opportunities
That said, they play the 2 mana tapping creature in a lot of lists, so dont count on blocking as your sole way of surviving
Rofellos, Llanowar Emissary The mana provided by Sundering Titan This card is miserable at low-power tables, as it blows up tons of your opponents' lands and tends to get blinked, reanimated, or otherwise triggered time and time again
With Edge of Eternities hype in full swing, I wanted to talk about one of my favorite cards for the set