Casting Pod by Swonk riffs on Birthing Pod, and it needs to be as complex as it is to accomplish that goal
It's reactive and proactive, it kills and sets up draws, and it works beautifully in a Zombie deck, although it doesn't require it
This was such a load off my back going from sweaty competitive matches on Arena, being griefed by Blue-Black control decks spamming passive-aggressive emotes to try and make you rage quit out of the game, to a MTG format that specialises in fun, silly, emergent interactions that come from the humans playing Magic - and not just a competitive deck list that someone has spent hundreds of pounds recreating
While Allosaurus Shepard's stats are nothing to write home about, being a 1/1 for one, it totes an ability that for six mana, can alter each Elf creatures under its owners control to have a base power and toughness of 5/5
If you apply some graveyard hate, you can shut off your opponent's delirium
Yawgmoth has it all - including the proliferate keyword