From Thing in the Ice to Startled Awake to Relentless Dead to Shard of Broken Glass to Sinister Concoction, to the Escape Rooms at the Triple-Grand Prix weekend, to the Avacyn reveal in Detroit with the wonderful Christine Sprankle cosplaying, the ties between flavor and gameplay have never been stronger
Toski, Bearer of Secrets is a green all-star for this because it makes every creature you control draw a card when it hits a player
This wants to be in cost reduction like miracle or with other Familiars
Story Reveals Emotional stories are a key part of the FINAL FANTASY franchise
Thats not to say these cards are bad in other Commander decks, but rushing out a turn 8 play on turn 5 or 6 just doesnt have the same level of impact on gameplay as rushing out a turn 3 or 4 play on turn 1 unless its winning you the game right then and there
Vraskas Fall Like Prologue to Phyresis, you get some marginal benefit from Vraska's Fall in EDH because your opponents will sacrifice their worst creature to this edict effect, but it'll also give them a poison counter to start proliferating