Similar to the Turtle Power precon, the Fantastic Four precon is modular, letting you swap between all four members of Marvels First Family to decide whos leading your forces, while Doom Prevails is led by Doctor Doom and Loki, with the former using the connive mechanic and the latter creating illusory clones of other villains
However, curling can happen in any kind of card due to how you shuffle or store them
Personally, Ive been working on a Bant build: This Bant version provides access to a variety of cards and answers with Storm the Festival, without having to go all-in on being a ramp deck
Finally, Kabira Evangel was bought out a week ago, driving the price from $1.20 to nearly $5 (it has since stabilized to $3.80)
#acegrading
When the meld ability is just gravy, its easy to justify featuring both cards in a Cube