While the names and styles vary, the Black White Rares from Black Bolt and White Flare, along with the Mega Hyper Rares from the Mega Evolution Series, stick to a similar blueprint
As for their roles in deckbuilding, lands serve three functions: mana fixing, value, or build-around potential
There've been tons of sweet new strategies over the last few years like Arcades, the Strategist enabling walls in a new light or Kotori, Pilot Prodigy allowing for a dedicated vehicles strategy
It may also have an effect on the sealed prices, meaning more hoarding
they dont have a planeswalker subtype
We like Extraplanar Lens in mono-colored decks because it can effectively double the mana production of the basic lands youre using