Flex Slot Options: These are the cards I would consider for the flex slot
Each player may cast the nonland card they exiled without paying its mana cost
The game can play 1 4 people, but if you are wanting to play with 3-4 people you are really going to need a second core straight from the off, just to have enough cards to build 4 decks at once
You can Tribute this card to add 1 "Zombie World" from your Graveyard to your hand
It had a weird graveyard rider (the set had a graveyard theme) that didn't make any sense, but we couldn't find any other option, so we changed the name to Bake into a Pie When we were designing Throne of Eldraine , we worked with the creative team to figure out what was off limits for the fairy-tale portion of the set
It introduced the Trainer Gallery, a now-beloved subset that fused character-driven storytelling with competitive powerhouses and strong visual design