Sadly, the set doesn't include a holographic Charizard card
But if players are dead-set on him, including tons of enter-the-battlefield effects like Warstorm Surge is a good way to make use of his hefty 5 power, alongside instant-speed kill spells to trigger his returning effect
Black can pluck them from you hand, white can make casting spells awkward while the best red or green can do to curtail casting is to attack the mana base
Even if it doesnt, youll likely leave them with so little life that a single burn spell or Haste creature can finish them off on turn four
You never want to cast this blue sorcery without its kicker cost
While I do think part of the push to unban Twin is generally nostalgia for the yesteryears of Modern and part of it is that the reasoning for banning Splinter Twin in the first place was extremely lacking, I also think that the meme is at least correct enough that we should give it a try