these, along with the BIG and SPG coded cards, will be legal in Commander, Legacy and Vintage formats
Also, the actual cost of this blue instant is only 3 mana, which makes it much easier than other free counters to just cast straight up
If you're one of those people that don't much care about Magic: The Gathering's various crossovers, at least you can cross another popular IP off of the list before they're gone for good
This is guesswork, but I would at least increase the requirements by one for each color more than one your deck has
A manabase of ten fetchlands, four dual lands, and six basics was therefore, more than enough for old Miracles decks to navigate around Blood Moon effects