So any upgrades basically based on marrying both the dragons effect (thats sounds...wrong) but of course with the a balance but powerful personal touch (With some agenda to make gemini pool better) which, unless its its OP then its pretty much "why not?" Double attack of Cthonian is upgraded by using Yata-Lock as inspiration to become phase doubling to emulate the repeated turns that occure on that lock (of course the fair version of it) while also emulate "attacking twice" via double battle phase
The art on those new uncommon dual lands is divine, if only they were good
(Skip Pokmon Checkup.) (You cant use more than 1 VSTAR Power in a game.) Bisharp [M] Vengeful Cut: 30+ damage
However, some Magic cards are immensely valuable, so the hobby can also be considered an investment
You can't be targeted by your opponent's stuff and your life total can't change
That can take a lot of different forms, like discarding your own cards, making your opponents discard, or benefitting you when players are left empty-handed