If that card is of the declared category, this Digimon isn't affected by the effects of that card category for the turn
Whats included check_circle Card graded & authenticated check_circle Card sealed and encapsulated into plastic case check_circle Free Sub-Grades and imperfection markers check_circle Card serial number and data stored on our database Price per card or sticker Pokemon Card Grading FAQ's The honest answer is, yes, sometimes
[30] Hand : A player's hidden hand of cards that can be played
To get similar, more permanent results, Macro cosmos or Dark Law are also good options to prevent monsters from sitting in the grave
Collecting is only an attack, so you can't protect other monsters from card effects
If you do, Soul Charge (1), choose up to one card from your soul, call it to (RC), that unit gets [Power]+5000 until end of turn, and at the end of that turn, put the unit called with this effect into your soul