It may be a ubiquitous card, but it might also just be a card with a fair amount of utility
The assemble mechanic allows you to create Contraptions pulled from a separate deck of cards and placed in their own special Sprocket zones
In total, there are 13 cards that use the mechanic
In general, you Past in Flames is at its best against counterspells because of Flashback, and good for longer games where Ad Nauseam and Empty the Warrens are no longer good enough, but your graveyard is stocked with good spells to flashback
As a sorcery, you may pay the mana cost of a locked door to unlock it.) At the beginning of your end step, this Room deals 1 damage to each opponent
Its not the easiest deck to master , but if you enjoy thinking a few steps ahead, its super rewarding