Board Thread:Season 8 - Korea/@comment-4190137-20130621014438/@comment-5166717-20130621161034

Mask of darkness - FLIP :  Target  1  Trap Card  in your  Graveyard ;  add  that target to your  hand.

Mask or Restrict -  Cards cannot be  Tributed.

there is also Mask of weakness - Target  1  attacking   monster ; that target loses 700  ATK  until the  End Phase.

Mask of dispel - Select  1  face-up   Spell Card  on the  field. The  controller  of the Spell Card must takes 500 points of  damage  during each of your  Standby Phases. When the selected card is removed from the field,  destroy  this card

Mask of the accursed -  The  monster   equipped  with this card cannot  attack. The  controller  of the equipped monster takes 500 points of  damage  during each of your  Standby Phases.

mask of brutality -  Increase the  ATK  of a  monster   equipped  with this card by 1000 points and decrease its  DEF  by 1000 points. Pay  1000  Life Points  during each of your  Standby Phases. If you do not,  destroy  this card

mask of perplexity - Activate  only when a  monster  you  control  is  selected  as an  attack target. Your opponent  selects  1  random  monster on the  field, except the attacking  monster. Switch the  target  to that monster.

mask of impregnability -  Any  damage  inflicted by the opponent is decreased to 0 during the  turn this card is  activated.

alot of mask cards (i am a big yu-go-oh fan)