In general, you can think of using the Custom Query like writing PSCT for a card. Case does not matter! Here are some examples:
-
light or dark dragon
shows all monsters whose Type is Dragon, and that are LIGHT and/or DARK attribute. -
custom trap
shows all custom Trap Cards. -
extra "fur hire"
shows all "Fur Hire" Extra Deck monsters. -
level 4 or lower warrior main
shows all Level 4 or lower Warrior Main Deck monsters (aka Reinforcement of the Army targets). -
(dark fiend) or (light pyro)
shows all DARK Fiend monsters and/or LIGHT Pyro monsters. -
continuous spell/trap
shows all Continuous Spells and Continuous Traps. -
3400 atk or def
shows all monsters with 3400 ATK, and/or with 3400 DEF. -
3000 atk/def
shows all monsters with 3000 ATK and DEF. -
level 4 fire fiend
shows all Level 4 FIRE Fiend monsters. -
monster not earth
shows all monsters that are not EARTH monsters. -
not earth
shows all cards that are not EARTH monsters, meaning it will also turn up Spells and Traps! -
level 3, 6, or 9 synchro
level 3,6,9 synchro
both show all Synchro Monsters whose Level is 3, 6, or 9. -
monster @atk<def@
shows all monsters whose ATK is strictly less than their DEF. -
monster @atk % 100 /= 0@
shows all monsters whose ATK is not a multiple of 100.