Instead of counting for mana symbols, it simply counts enchantments, still a creature all the way, with a direct reward for casting the requirement for having indestructible and lifelink
For a little backstory, Ive had a Tormod, the Desecrator and Kamahl, Heart of Krosa partner deck for about four years at this point
Whatsmore, these challenges reflect the way Lorcana is actually played in leagues at a lot of local stores
We learned recently that there will be waves of the first release, so expect restocks in the months after the first release which will probably sell out
So where other decks might be building up to bigger and more powerful cards, this one wants to go wide with little creatures, each of which has the capacity to become a bigger threat