User blog:NovaTsukimori/Structure Deck EX: Kamen no HERO: December 17

SE01-JP021 - C Mask Change

SE01-JP022 - C Mask Change II

SE01-JP023 - C Instant Mask Change (errata) During theBattle Phase: Send 1 "HERO" monster from your hand to the GY; Special Summon from your Extra Deck, 1 "Masked HERO" monster with the same Attribute, but a higher Level than the Attribute/Level of the monster sent to the GY to activate this effect. (This Special Summon is treated as a Special Summon with "Mask Change".) During your turn, except the turn this card was sent to the GY: You can banish this card from your GY; add 1 "Change" Quick-Play Spell Card from your Deck or GY to your hand, except "Instant Mask Change". You can only use 1 "Instant Mask Change" effect per turn, and only once that turn.

SE01-JP024 - C Mask Charge