Allow me to offer one that's a bit easier (dropping a letter)
DRAIC (science term that I can't explain properly)
Drop
DRAC (Dell Remote Access Controller)
Swapping a letter:
DRAG
BRAG
Adding a letter:
BRAGS
I'ma Drop a letter:RAGS
And now I place my TRAP CARD.. by which I mean add another letter.
RAGES
I Drop a letter~
AGES
Swapped a letter!
ACES
I'ma add a letter:
FACES
FACED
swapping- a letter:PACED
Adding another letter:
SPACED
(i added a new shuffle rule to help things along peeps)
Shuffle:SCAPED
Added a letter:
ESCAPED
Dropped a letter like a thuggy dude
ESCAPE
Dropped the letter I added because I can:
SCAPE
i shuffle for the sake of shuffle
SPACE
I add for....
SPACEx
Swap again for
SPACER (device attached to an inhaler)