Enchanted creature get +1/+1
In the mockup of which Digimon are in each color: "Red is mainly assigned to dinosaur-type and dragon-type." "Yellow is assigned to holy beast-type, fairy-type, and angel-type." "Blue is assigned to beast-type, beast man-type, and knight-types." There's notably no colors noted for Plant (though they're probably Yellow because most Fairy types evolve from Plants), Bird (though they could be categorized as Beasts), Demon and Fallen Angel (of which are tons), or Insect/Machine/Aquatic Digimon (though there are less of those, especially less Rookie-level)
So this is, at best, sing or pay 2 ink to gain 2 lore while readying a character
Sparkling Crystal works with any Energy type, so if you need or want to reduce the cost by one Fire, Lightning or Water type Energy, you can do so (though only one at a time of course!)