Deck Builder uses three expandable slot cards. Each slot starts with Browse catalog, then Or assemble from parts with BX, UX, or CX line chips.
Controls in Deck Builder
Browse catalog opens the picker (Official or Saved segment, search, and line filters). Saved lists customs from Assemble X Save plus combos from decks you have saved. Assemble picks open the part grid with colorway rails when a mold has variants. A custom that matches an official release shows its product code in the slot header.
Random build (beside slots filled) opens a mode chooser: catalog beys or X parts, with SoftConfirm before overwrite. Per-slot Dices runs the same roulette on one card and favors a battle type the other slots do not use. Roulette flickers options, then lands with transform sounds when App sounds are on.
Name the deck in the title field (up to 40 characters; the counter sits beside Random build). Filled slots add a Build note (up to 160 characters) for your launch plan. Showcase (in slot battle intel, beside CORE STATS) opens the bey modal in place and arrows through every filled slot; its Battle intel link appears once the deck is saved and clean.
Save writes to this device and uniquifies colliding names. After a clean save, New deck (header and rating column) starts a blank draft, and the rating column offers View on this device and Copy local link. Clear deck is for wiping an in-progress edit (hidden once the deck is saved and clean). Mobile shows a Save dock when the deck is dirty. Battle needs two resolvable catalog or Assemble beys.
Deck Rating column
The right column shows tier letter and N/100 from Attack, Defense, and Stamina averages (S 80+, A 70+, B 60+, else C). Dash and Burst show beside it when bits supply them but do not change the score. Makeup chips and Lineup rows summarize types and weights.
Expand Show battle intel on a slot for CORE STATS and Live Profile. Assemble X from Search or the floating orb sends a complete recipe to the first empty slot.
Saved decks
Saved Decks lists local lineups. Each row shows the three tops with their type seals, plus the deck's tier and score. View opens read-only detail; Edit returns to Deck Builder; Battle launches Simulator when two beys resolve; Save image opens the deck card once all three slots are filled; Remove deletes the deck after a confirm. View shows a spinner while the deck loads. From Deck Builder, New deck starts another blank draft without retapping the Deck nav tab. The Custom builds switch at the top lists every build you saved in Assemble X (or built inside a deck); open one back in Assemble X, or remove it.
Viewing a deck
View opens the deck read-only. Each battle top spins on standby with its exact stats below (they count up once on arrival), and the Deck Rating and build notes sit beside the lineup. Tap an empty slot to open Deck Builder at that slot.
Tap a type seal to send a type charge into the art; seals also charge on their own every few seconds. It is just for show: stats and Deck Rating never change. Reduced motion turns it off. More in the Controls and effects guide.
Save deck card (all three slots filled) lays the deck out on one sheet: summary, core stats, profile, and every part. Save image exports it as a picture. Edit in Deck Builder and Battle with this Deck sit in the header too.