For the former, you can use Coastal Piracy to have tokens available for defence after each unblocked attack, any card drawn can be combined with Mystic Redaction, Sphinxs Tutelage or Psychic Corrosion, the Mystical Tutor and Solve the Equation help us find the right cards for any strategy, for example Time Warp, Pyromancers Goggles or Swarm Intelligence (matching the Commander)
Each of these examples will have a lot more replayability than most decks in their respective archetypes, too, as theyll be full of underexplored cards and lines of play
They permit you to do something that has never existed in Standard before now: essentially have a "commander" that functions as the 61st card in your sixty-card deck and sits in your starting hand to be cast whenever you desire
Below you'll find the cards you need for the 'Wisdom of Sea and Sky Museum 4' secret mission: Shuckle ex #202 (Rainbow / Two Gold Star) Kingdra ex #203 (Rainbow / Two Gold Star) Lanturn ex #204 (Rainbow / Two Gold Star) Espeon ex #205 (Rainbow / Two Gold Star) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets
They wont stand up to highly competitive decks, but they will allow players to sit down at a casual event and have a chance of winning