It offers you a free and useful sacrifice mechanism which is surprisingly desirable in a wide selection of decks
Id also add this one into the mix: The beautiful Sugimori art, alongside the tranquil sunset colours & slice of life scene gives the whole thing a serene, day in the life feels that most other trainer cards are missing
But the resulting creature will be a 1/1 regardless of whether you stack the mutate on top or bottom because of the way Inkmoth Nexuss animation ability is worded
The 60-card minimum means that youll need to build out a couple of different strategies in your deck, and if you have more in your deck (if there are 204 cards in Chapter 1, you could have up to 816 in your deck, after all) then youll need to strategise even more
Update (2026-07-29): ST-30 Ace & Luffy EX joined the lineup alongside OP-16 on June 12, 2026 and is now a fourth current option
Nowadays, this is hardly worth blinking over