It generates any type of color mana, which can be used for casting any type of card, if you have that color on a legendary creature in play
Since we're looking for a particular card, we're running a lot of tutors in place of card draw, since we actually don't want to draw our spirits, so cards like Illicit Shipment are perfect here
If a spell has multiple instances of storm, each will trigger separately
For example, turn 2 Sapphire Medallion allows us to go for a T3 Trinket Mage + Mana Crypt + Thassa, Deep-Dwelling
Hayes Modern Horizons 2 is relevant to this day and was the best set from 2021 and MH2 is my easy pick for what you should buy if you have to pick one set to rule them all
Some of the strongest cards the game has seen since launch have made their way into the card pool, bringing unexpected combinations and new features to colors that haven't seen them before