all pokemon cards in evolving skies TCG: Sword & Shield Booster Pack (10 Cards) : Toys & Games [2PD] Pitch The Evolving Skies Card List

What I really love about Morophon is that its colorless but gives you access to as few or many colors as you want

oceanic SIR, up from $45

(Scryfall note) Since you can respond to triggered abilities, it is legal to sacrifice creatures using some spell or ability prior to resolving the ability that removes the final counter from All Hallow's Eve

Regarding this, some players have apparently found an exploit used to track the card you are after

The caveat of all three types of energy needing to be different also makes it trickier to use, however, as some of the metagame's most powerful current combinations only utilise a couple of types, such as Duraludon VMAX decks that only use Dragon- and Steel-types Pokemon