This deck plays differently than most of the other decks. It uses a slower approach to winning duels by using Mask of the Accursed to lock and burn your opponent's monsters. Cobra Jar and Warm Worm can also speed up the process.
Focusing on the Mask
While there are 3 masks in the deck, there are plenty of options to get the mask from either the deck or graveyard.
Always keep 1 mask in hand in case your opponent ever tributes
Gardna and Cocoon
These two monsters have very high base defense. While Big Shield Gardna does have his weakness. Cocoon of Evolution on the other hand, is simply made to just be defensive. When your opponent's are left with no other choice since their monster is locked, they know they can't attack Gardna if they summon another monster. When/if they ever summon a monster, it will most likely attack a set monster, only to be surprised that their attack is not high enough to destroy Cocoon and taking damage as well.
Gravity Axe and Mirror Wall
Gravity Axe - Grarl will be mostly used to equip to Vylon Ohm for some extra damage, in case you need to get rid of enemies. Mirror Wall is for defensive purposes to lower damage received if you have no monsters on the field, but it can also be used to deal more damage when they attack Gardna.