are pokemon cards demonic Demons x5 Delirium — If there are four or more card types among cards in your graveyard This Cult Believes Pokemon is

Creature - Vampire Rogue Color tag templates(None) Bridge from Below Whenever a nontoken creature is put into your graveyard from the battlefield, if this card is in your graveyard, create a 2/2 black Zombie creature token

and Rise of the Eldrazi, a card named after an MTG set which merges the cast abilities of each Eldrazi titan

Many decks rely on both of these to win, and, thanks to the offspring mechanic introduced in Bloomburrow, youre able to do both at the same time

Not many that I know of, so I cant really see this getting much run unless you have a relatively immature or young Type 4 stack, in which case it will be acceptable for a little while until it gets pushed out by something better