mtg commander precons duskmourn Magic: The Gathering Duskmourn: House of Horror Deck Bundle Designed for multiplayer Commander games Duskmourn Commander Precon Highlights -

With this menacing figure present, you can sacrifice him to give every non-token vampire you control persist until the end of turn

There are plenty of other scenarios where either you dont have other creatures on the battlefield, they cant profitably attack, your Seafloor Oracle gets Lightning Struck before combat damage, and more where you wish your four mana creature in your aggro deck would have done more

The more ramp effects you have the more potent it becomes

On top of all that, Boltwave is also semi-decent in Commander

Plus, you have the option of casting a nonland permanent that costs 5 or less mana on every end step without paying its mana cost