Number 18 Heraldic Progenitor Plain-Coat

2 Level 4 monsters During either player's turn, if there are 2 or more monsters on the field with the same name: You can detach 1 Xyz Material from this card, then target 1 of those monsters; destroy all other monsters on the field with the same name as that target. While this card is face-up on the field, your opponent cannot Summon another monster with the same name as that target. If this card is sent to the Graveyard: You can send 2 "Heraldic Beast" monsters from your Deck to the Graveyard.