Along with this theme seems to be a definite focus on pirates and characters with unusual seafaring qualities
Broadcast Takeover and Momo's Heist are also substantially different than the list below, so the nature of these are strong enough to leave for another article
Now this is where decision-making and tactics come in as you have to balance resources in your hand, cards, and mana necessary for your strategy
Mishra, Eminent One With Mishra, Eminent One around, you get a 4/4 copy of a noncreature artifact you control every turn, which gets sacrificed at the end of the turn
Owning this cool Pokmon card allows collectors to connect with a specific moment in TCG history
Combined with no weaknesses, and no retreat cost, it's easy to see why Cleffa was unrivaled in the early days of the Pokmon TCG, and isn't half bad, even now