yugioh volcanic burn deck Inferno - Yu-Gi-Oh! Card Database ZEXAL focused on enduring blows while dishing out heavy counterpunches to his opponents My Volcanic Yugioh Deck Profile

Fire Cross Whenever Seifer Almasy deals combat damage to a player, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost

1998-2026 UVL - Universal Videogame List

Shardless Sultai seems to come in and out of favor in Legacy, so there is demand there for the Agent but I think that is mainly coming from casual players

Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Timeless Witness: If a creature card with eternalize is put into your graveyard during your main phase, you'll have priority immediately afterward

Keeping them in sleeves and rigid holders greatly reduces the risk of damage

However, he's even easier to kill than the other lethal lords as he lacks a duel winning effect and doesn't get any of their protection or spell/trap support