Because of the hype from social media stars and streaming sites, watching Pokmon card openings has become very trendy
Chromatic Sphere draws a card as part of its mana ability, meaning the draw cannot be responded to
Longtime MTG-heads, whether Fallout players or not, should also get psyched over the exciting new mechanics coming along for the ride
Formats like Brawl want you to have the specific 60 (for Standard Brawl) or 100 cards (for Historic Brawl), while Ranked formats usually let you have 60 or more cards without coming up invalid
These work best in token decks where you cast something like March of the Multitudes or Secure the Wastes to dump a ton of threats into play, winning out of nowhere with the right board state
Both of them do the thing for our power couple nicely, but if you can play something to give all your creatures just one more power, they get a lot better in Tifas deck