https://www.reddit.com/r/EDH/comments/92gagf/no_budget_jank_ep_3_meren_exactly_496_squirrels/

https://www.reddit.com/r/EDH/comments/aftd5w/what_are_the_best_demons_to_summon_w_shadowborn/

https://www.mtgsalvation.com/forums/the-game/commander-edh/200121-graveyard-protection-tricks
(Entomb + Eldrazi titan)

[1v1 vs. Multiplayer]
- 1v1 has Aetherflux Reservoir /
- Multiplayer has Sylvan Library / Strip Mine

Notable cards and functions:
[[Shadowborn Apostle]] - Of course this is the most important card in the deck, and running a critical mass of them is how we make everything work. Notably if some of my other more-meme-ish inclusions don't tickle your fancy because you want more power, cut them and just add more Apostles.

[[Nykthos, Shrine to Nyx]] / [[Gaea's Cradle]] / [[Crypt of Agadeem]] / [[Songs of the Damned]] - these cards allow us to generate massive amounts of mana, which is required to win through our primary plan. All of them except for Cradle are required for this to work consistently, and having Cradle is a massive boost to the deck as we can get it pretty consistently.

[[Fecundity]] / [[Grim Haruspex]] / [[Skullclamp]] / [[Smothering Abomination]] - These are the cards that let us draw a massive number of cards.

[[Ashnod's Altar]] / [[Phyrexian Altar]] / [[Viscera Seer]] - instant speed sac outlets are a MUST and Phyrexian Altar is the best one that we have.

[[Razaketh, The Foulblooded]] and [[Rune-Scarred Demon]] - These let us turn our Apostles into a win condition.

[[Thrumming Stone]] / [[Bloodbond March]] - These are cards the cards that enable us to play all of our Shadowborn Apostles, one way or the other.

[[Aetherflux Reservoir]] / [[Nantuko Shrine]] / [[Kessig Cagebreakers]] / [[Concordant Crossroads]] - These are how we kill everybody.

Gameplan
This deck is a little more confusing than most to pilot, so I figured I should give an actual explanation of what exactly you're trying to do, as it may not be apparent just by looking at it what's listed up above.

Typically, the first 6 to 10 turns of the game are spent setting up our big turn. Setting up means trying to assemble as many of the following pieces as possible:
* Get a sac outlet (preferably Phyrexian Altar).
* If your sac outlet isn't Phyrexian Altar, you will probably need one of the big-mana generators.
* Get a way to draw extra cards (preferably Grim Haruspex / Smothering Abomination).
* Get 6-8 Shadowborn Apostles.

Now you should be able to see where this deck is going.

We're going to use the Apostles to grab Razaketh (Rune-scarred is our fallback), then use Razaketh to grab us Thrumming Stone or Bloodbond March, Then use Razaketh again to get the most appropriate kill condition. We're then going to draw and play as much of our deck as we can and kill the whole table through some combination of Reservoir and / or combat damage.

The name comes from the fact that if you happen to assemble Nantuko Shrine, a way to sacrifice your apostles, and Thrumming Stone before you cast even a single Apostle, you can generate this weirdly specific number by casting all of them in one turn and sacrificing them as they resolve.

Since both Shrine and Thrumming Stone are cast triggers, you stack each Ripple trigger on top of the Shrine trigger. Once you're done rippling, the last Shrine trigger will resolve for 0. You then resolve that Apostle. Then in response to the next Shrine trigger, you sacrifice it. The second-to-last Shrine trigger resolves for 1 and you put the second-to-last Apostle into play. You then unwind the stack like this and when the first Shrine trigger finally resolves, you'll have a total of 496... My record is just under 300 squirrels.

What's fun about piloting it is that early turns of the game, you durdle incredibly hard. You cast a bunch of weird cards, draw a handful of extra cards, nobody really pays attention to you other than jokingly going "Oh no, he's going to get get a demon, Oh-Em-Gee!" or whatever other nonsense. To them all your deck is capable of is durdling... but at some point you actually get to durdle so hard that everybody dies.

Finally, Meren herself wasn't a random pick - she provides recursion so you can sacrifice apostles more readily during the early turns to draw extra cards each turn, then get them back. We have a lot of ways to draw cards and tutor and you can get REALLY deep in a single turn using our silly little 1/1's for 1.