Delve decks need redundancy like cheap cantrips and self-mill
Since Heroic decks make big creatures quickly, Take Up The Shield's lifelink will let you net a hefty bit of life with a swing
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
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
If you control more than one object with the specified name, you select one object with that name to exile