Afterwards I'd start adding more generic staples like Smothering Tithe, Rhystic Study, Smuggler's Share, Land Tax, Teferi's Protection, Clever Concealment, Akroma's Will, Farewell, Vanquish the Horde, Anguished Unmaking, fetchlands, shocklands, ABU duals, Vampiric Tutor, Demonic Tutor, the good stuff
Even if not starring at the upper echelons of competitive play, HERO cards were beloved and experimented enough to have some ever-present competitive variant - and newer HERO Link and Fusion monsters such as the Xtra HERO cards have even helped the deck to top tournaments 15 years on after its introduction
Once youve confirmed its installed correctly, disable allowing installations from unknown sources
Use Field Spell Cards 1 times in Duels using Tyranno Hassleberry
SE Secret Rare Thought Ruler Archfiend X DARK Level 8 [ PsychicSynchroEffect ] ATK 2700 DEF 2300 1 Tuner + 1+ non-Tuner monsters If this card destroys a monster by battle and sends it to the GY: Gain LP equal to that monster's original ATK in the GY