They're all flexible and can fit in most decks of those colors, however, you have to cast them with mana in order to get their abilities, which is why they're lower on this list than they could be
An enormous amount of time for the ten scrylands to be legal in the format, on top of all the other things to be had here
Surging Sparks Build & Battle Box - What's In The Box
Youll get the following in a Value Booster: 3 Commons, 2 Uncommon cards, a wildcard of any rarity and finally one of the following: a Land, a traditional foil card, or a Special Guest card
How the TCG Game Director Reviews New Cards The TCG game director helps oversee card development and balance decisions
Number 200 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Banned Formats Legacy, Modern, Pioneer Rulings (1/24/2020) If a card has no mana cost, its escape cost is an unpayable cost, so you can't cast it for that cost