yugioh vylon cards Polytope - HA06-EN056 Super Rare You can add 1 Equip Spell Card from your Deck to your hand. Vylon Disigma Card Profile :

Twinflame Tyrant Rarity: Mythic Rare TYPE: Creature SUBTYPE: Dragon CMC: 5 Mana cost: USD: $37.27 EUR: 29.54 TIX: 0.06 EDHREC RANK: 865 (3/5) Flying If a source you control would deal damage to an opponent or a permanent an opponent controls, it deals double that damage instead

Im calling it now

FEATURE RECOMMENDED DECKS(Red/Blue) Nefeltari Vivi Concept Featuring [Nefeltari Vivi], a Leader able to reduce the power of your opponent's Characters while giving [Rush] to your Characters who do not have [When Attacking] effects

A lot of discard outlets double up as card quality or something else but you would want at least 4, likely closer to 6 in your list if you are relying on it to enable your stuff

He's kind of similar to Wulfgar of Icewind Dale from the Adventures in the Forgotten Realms Commander decks, except Isshin triggers when any creature attacks, not just your own