EV is the average market value of all cards youd pull from a box, based on current single card prices and pull rate probabilities
The Most Explosive The plan for Alaundo the Seer is simple: run tons of untappers, like Aphetto Alchemist, put copies of Slime Against Humanity into exile, and watch as you start generating tons of 5/5 Oozes for free
Still, competition is steep for cards like this
You will need at least one other Zombie in play to be able to cast Gravecrawler from the graveyard, but once you get going, you can keep sacrificing your spare Zombie token to keep looping death triggers for whatever outlet you need
You can play him for B, sacrifice him for another B to get tw or more 2/2 zombies to replace him, and then you can just replay him for another B