Since you can just bring this Miku, Child of Song, back after she has been killed as per Commander rules, you can make use of its ability again as many times as you like, with the only caveat being a simple increase in mana cost to bring her back each time
In Legacy, this card trades up on mana nicely against 8-Cast payoffs like Sai, Master Thopterist while still being a clean answer to the Artifacts mentioned above
Making MTG Arenas meta work for you Tuning your deck or even your sideboard (fifteen cards that can be swapped out between matches) in order to have a better chance in your predictions is considered metagaming
Understanding the various states in the game Active : The Active Pokmon is the one currently battling
Weve already seen players combine Terror of the Peaks with Uro and Genesis Ultimatum in Standard, and weve only scratched the surface of what this card is capable of
You also have to take a holistic and realistic view of both the collection you are thinking about buying and how you are actually going to sell the cards