Magic: The Gathering Comprehensive Rules 702.10 and 302.6
Hullbreaker Horror You'd think for a Kraken Horror wouldn't be a very strong card, but bouncing permanents and spells is a solid effect
His +2 creates Food tokens for life gain or to fuel the Elk ability on your own permanents
Unfortunately, for all my praises, this precon has the least interesting new-to-Magic cards
Despite all ostensibly being graveyard-matters mechanics, things like escape, flashback, and collecting evidence will eat into your delirium count and could take it offline when you need it most
The backside also synergizes with this plan, potentially letting you copy a reanimation target as you wait to find your reanimation spell, and four defense counters is reasonable