Huge monsters that hit really hard can end a player in just two combat steps
Throw in an excellent card sorting and searching tool, as well as the ability to create and modify decks quickly and easily, and even the pickiest of card collectors should be pleased
Unfortunately, this deck doesnt include enough of this bounce package to play with any consistency and that Rabbit is the only draw you have
Older Sword & Shield cards from the S6K Jet-Black Geist era use the SA designation (Shadow Rider Calyrex VMAX Alt Art, Chubby Blissey V Alt Art) rather than the later SAR letter code, but theyre functionally identical in the alt-art collecting lane
The ability to pay life to draw as many cards as you can afford is not a joke and is definitely one of the most powerful mechanics ever printed in a Magic the Gathering card
Alternatively, it may be a combination of retsu (violent or furious), k (sky), and za (seat or location), which can be taken to mean "one that sits in the ferocious heavens"