However, once you are able to find some good synergies, then the power level spikes up
If you cannot turn on Delirium, however, it becomes weaker than Shock, which is sometimes a real problem
It auto-attaches equipment at the start of combat and can throw those same equipment later to deal targeted damage based on their mana value
The themes are fairly transparent here too
Actually, as odd as it sounds, the best home for Invasion of Ravnica might be in Niv to Light decks in Pioneer
(Although I should note that we do push these decks to fringe levels every once in a blue moon.) Utility discard cards, on the other hand, do not necessarily promote the discard decks unto themselves (although they are used if enough resources for the discard deck exists)