phantump pokemon card - SWSH08: Fusion Strike [REVERSE HOLO] Colorless Artist Phantump (Extradimensional Crisis #24/103, 1-Diamond)

Mega Latios EX from Promo B set is even worse, as its attack costs two Water energy and 1 Psychic energy, and unlike Lugia who discards only three specific energy (meaning if you can somehow pile up energy on it, it may be able to attack for several turns in succession), Mega Latios EX discards all its energy after a single attack

Galepowder Mage While the most obvious home for Galepowder Mage is a flicker deck, it provides great pressure for aggressive decks exploiting cards like Impact Tremors

Fealty to the Realm Fealty to the Realm is an interesting take on Control Magic that opens the door to all sorts of politics at the Commander table

It should be easy to make a dozen or more decks like this

Let's get into how you can Explore your way to victory with this Merfolk deck