These dont contain the odds, so if youre looking for specific odds, please check out Mark Rosewaters article announcing Play Boosters
In combination with the previous Shock Lands, this allows decks to have incredibly consistent mana bases, as a blue Fetch Land can search up any Shock Land that has the basic land type Island
Some were very light and grey, others were slightly grey, and some were in the middle
So, when choosing trainer cards, ensure that out of 25 trainer cards, you have 5-8 cards, making it possible to take cards from the deck/discard if you have a few useful cards in your hand
Invasion of FioraInvasion of Fiora Conspiracy 1 & 2 were among my favorite sets in the past 10 years