An example of the feature mode in previous games would be the Planechase and Archenemy game modes, although neither of these will be in the 2015 addition instead, players are being treated to a fully customisable deck creator, but Ill come back to that shortly
Seismic Assault Much like Storm Cauldron, Seismic Assault came onto my radar as part of the same Borborygmos Enraged deck
Put that card onto the battlefield tapped and the rest on the bottom of your library in a random order
Overlord Cycle Each 'biome' of Duskmourn has an Overlord, an Avatar Horror with Impending, which enters as an enchantment, and doesn't become a creature until its last time counter is removed
Enchantment - Saga Binding the Old Gods (As this Saga enters and after your draw step, add a lore counter
The body is also much better on its own than Craterhoof and so you can just play it as more of a standalone threat