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Mask Change

Target 1 "HERO" monster you control; send it to the GY, also, after that, if it left the field by this effect, Special Summon 1 "Masked HERO" monster from your Extra Deck with the same Attribute that the sent monster had when it was on the field (its original Attribute, if face-down).

Mask Change II

Quick-Play Spell

Discard 1 card, then target 1 face-up monster you control that has a Level; send it to the Graveyard, also, after that, if it left the field by this effect, Special Summon from your Extra Deck, 1 "Masked HERO" monster with the same Attribute, but a higher Level than, the Attribute/Level the monster had when it was on the field (its original Attribute/Level, if face-down. This Special Summon is treated as a Special Summon with "Mask Change"). You can only activate 1 "Mask Change II" per turn.