This severely limits the application of the card, turning it into a strong last resort instead of a reliable strategy
Blackwing - Twin Shadow Card Text Shuffle 2 of your "Blackwing" monsters (1 Tuner and 1 non-Tuner) that are banished and/or in your GY into the Deck/Extra Deck
So it can be overwhelming scanning through a list of that size and figuring out which one or two you might want to build, especially if you're not familiar with the Final Fantasy video game series and don't have any particular favorite characters
A defeated Pokmon must be replaced with a Pokmon from the bench (if there are no Pokmon to replace it, the player loses), and the player who knocked it out claims a prize card to add to their hand
Of course, this comes down to the scarcity of the packs and the fact that the cards inside are likely to be mint condition, another thing which enhances their value
Keeping everything in mind, I do think Nissa will see Standard play since green midrange decks will be able to pretty consistently transform her since they ramp up to seven lands pretty quickly and her creature form is fine as a 2/2 blocker that gets you your next land drop