If you're playing against particularly aggressive decks that tap all the time, Calamity of Cinders will be of limited use
For many years, she begrudgingly acquiesced to the dragonlord's demands, hunting for the dragons alongside her
In less graveyard-intensive decks, one or two escape cards should function perfectly fine by themselves
Nearing the end of the road, Ruinous Powers has a powerful effect thats on theme and at an okay mana cost
Instead of having that extra two mana threat in either Scourge of the Skyclaves or Tarmogoyf, Expressive Iteration gives Grixis some extra card advantage to find threats when it needs them, or interaction when it dont
Being indestructible is just icing on the cake here, especially as a combo piece that you often want to get rid of