As with most Reanimator decks, you've got a blend of cards that load the graveyard like Overlord of the Balemurk, Oblivious Bookworm, and even TLA's Gran Gran
Self-Destruct, for example, would have been a nastier component of the already rampant Mono Red, especially with the knowledge that one of the winning moves for it was to blow up a Heartfire Hero using it
Ratchet things up to 1-in-8, 10, or 20 to really make things helter-skelter
is that zombie-looking dude in pajamas stealing some food (is that fried Sliver?) from the fridge, triggering a bunch of nasty Rathian traps
Upon dying, Worldspine Worm splits its power into three creatures, creating three 5/5 Wurm tokens
If it is put into your graveyard, exiled, or would otherwise leave the battlefield, you may put it back into the command zone