When a Security Check is performed, they remove one card from the Security
I've found it much more successful than I had expected it to be, so I added it to my own deck collection
MAGIC MEETS THE LORD OF THE RINGSExperience the beloved story of The Lord of the Rings with the strategic gameplay of Magic: The Gathering, facing off against opponents in thrilling magical battles
An easy way to accomplish this goal would be to buy one of each type of booster box (all of the main 2020 sets come with at least a normal draft booster box and a collector booster box, while Zendikar Rising also had a set booster box) for each set printed this year, one of every Secret Lair drop, and one of every supplemental product ( Unsanctioned , Commander Collection: Green , Commander precon decks, etc)
Aside from numerous legendary creatures, Commander Masters also helps players with two bonuses, with the first being The Prismatic Piper