Mystic Intellect (Flashback), Commanded by Sevinne, the Chronoclasm Sevinne, the Chronoclasm will command the Jeskai-colored Flashback deck in Commander 2019
And there's no "Graveyard matters," or even "Token loving" theme in there
Bulbasaur Caterpie / Metapod / Butterfree Charmander Charmander / Charmeleon / Charizard Ekans / Koffing / Weezing / Meowth / Persian / Arbok Graveler / Geodude / Golem Meowth Nidoran / Voltorb / Venonat / Vulpix / Jolteon / Machop Onyx / Cubone / Eevee / Zubat / Farfetchd / Clefairy Pidgey / Poliwag / Sandshrew / Jigglypuff / Bellsprout / Rattata Pikachu Arms Up Pikachu Sitting Raichu / Pikachu / Pikachu Scyther / Snorlax / Mankey / Clefairy / Lapras / Gloom Squirtle Squirtle / Wartortle / Blastoise Staryu / Seel / Psyduck / Tentacool / Tentacruel / Starmie Venusaur / Bulbasaur / Ivysaur Blockbuster Promo Card Checklist 1 card
Once online these cards are pretty oppressive
For example, a deck containing Giratina V Star as the main attacker may also want to include Radiant Greninja to add that extra level of verve helping to clean up the opponent's board, or even Drapion V to hard-counter Mew V Max with its bludgeoning Dynamic Tail attack
This will keep happening until a) technology to block the bots arises or b) theres no longer profit to be made