Charizard EX 11/83, Generations
If youre just starting, a recent, well-reviewed precon is a great launchpad
With a serpentine design and a reputation for unleashing devastating moves like Hydro Pump, Gyarados commands attention
However, if your deck doesnt care about these kinds of cards, Punishing Fire is embarrassingly awful
Aberrant Abundant Growth Academy Elite Aerial Extortionist Aesi, Tyrant of Gyre Strait Aether Channeler Agent's Toolkit Alchemist's Vial All-Seeing Arbiter Alquist Proft, Master Sleuth Altar of the Wretched Angelic Gift Angelic Sell-Sword Antique Collector Arcades, the Strategist Architects of Will Archon of Cruelty Arcum's Astrolabe Armed with Proof Armorcraft Judge Arterial Alchemy Ascent of the Worthy Assassin Gauntlet Astral Wingspan Autograph Book Axiom Engraver Ayara, First of Locthwain B.O.B
You can play the Emperor in aggressive or midrange decks too, enhancing your little dudes with +1/+1 counters or making more tokens