you cannot Special Summon monsters for the rest of this turn, except Fusion Monsters, also send 1 "Elemental HERO" monster from your Deck to the GY, except "Elemental HERO Blazeman", and if you do, this card's Attribute and ATK/DEF become the same as the monster sent to the GY, until the end of this turn
When you utilize piggybacking, you drill into a part of human psychology where familiarity equates to understanding, which can equate to value and therefore preference
It has many interactions, and it can take on some of the more difficult first era decks in LOTD
add 1 "Assault Mode Activate" or 1 card that mentions it from your Deck to your hand, and if you do, shuffle this card into the Deck
Its very cool to think about curving Devilish Valet into Pia and Kiran Nalaar, and Im very excited to pair the card with Rally the Ancestors in Spooky Cube, but its definitely weaker abstractly as a red three