Yanling, and planeswalkers in general, are unexciting in Mono-Blue against Esper Hero since Hero of Precinct One is so good at pressuring your planeswalker
Sharing the same descriptive text as its Team Up main set counterpart " When expelling a blast of superhot fire, the red flame at the tip of its tail burns more intensely
Permanent graveyard hate like Rest in Peace can be quite good against Blue-Red Murktide as it hits both the Channeler and Murktide Regent
Green decks arent always the most combat-oriented, but its not difficult to imagine a base of Lotus Cobra, Eternal Witness, fetchlands, and Wasteland as a starting point to make Spring-Leaf Avenger work
Theme decks (Mewtwo Mayhem and Pikachu Power) have minimal secondary market value despite being sealed
So, by carefully picking the Pokmon selected for the breeding process, you can greatly increase the odds of watching a Shiny Pokmon hatch from that egg