Fetching 3 cards at once allows you to get big cards + energy generation or any other useful combo from the discard pile. Upgrading for retain makes for even better timing.
Summon 3 X times. Add X Souls into your Draw Pile. Exhaust.
Deal 10 damage. Upgrade 2 random cards in your Discard Pile.
Put 3 cards from your Discard Pile into your Hand. Exhaust.
Exhaust your Hand. If 9 cards were Exhausted this way, gain 1 Intangible.
Apply 29 Doom to ALL enemies. Kill enemies with at least as much Doom as HP.
