yugioh trap cards that special summon from extra deck Oath of Companionship Card Errata:De-Synchro | Yu-Gi-Oh! Wiki

Akim, the Soaring Wind Breena, the Demagogue Derevi, Empyrial Tactician Dragonhawk, Fate's Tempest Falco Spara, Pactweaver Hakka, Whispering Raven Ishai, Ojutai Dragonspeaker Kykar, Wind's Fury Ledger Shredder Maha, Its Feathers Night Mavinda, Students' Advocate Moira and Teshar Scriv, the Obligator Shabraz, the Skyshark Traveling Chocobo Wan Shi Tong, All-Knowing Wan Shi Tong, Librarian Wingmate Roc Zinnia, Valley's Voice

We also developed several of the mechanics that would later be used in the set (the main one being manifest)

The modern Fiend-type cards have been some of the best combo tools ever created, as they are amazing for creating endboards with Rank 6 XYZ monsters and amazing Link boss monsters

Crucially, the card text specified that this attack's damage was not affected by Resistance or any effects on the opponent's Active Pokmon