Swapped heroes, changed your weapon or rebalanced your pitch curve? See two Flesh and Blood decks side by side, with the hero change first and every card difference below it.
Deck A
Deck B

The hero is what the deck is built around, so a hero change is shown first. Weapons and equipment are compared like any other card, so new gear is easy to spot.
Red, yellow and blue versions of a card are separate cards with different pitch values, so trading blues for reds shows as one removed and one added, and the upgrade cost prices the exact versions.
Comparing a Blitz list with a Classic Constructed list for the same hero shows what the longer format adds on top.
Two Silver Age Chapter 3 decks, Boltyn and Briar: a different hero, and very few cards in common.
Open this comparisonYes. The main deck and sideboard are compared separately, and a card moved between them shows as a move.
Yes. Weapons and equipment are listed with the other cards, so a new chest piece or a second weapon shows up as a change.
Yes. Any two Flesh and Blood decks can be compared, whatever the format, Silver Age precons included.
More in the deck compare FAQ.