When challenged, when challenging, and in a challenge are three different bits of rules text that all apply to different situations
Emerald Emerald Ink cards are good for flexible playstyle, every game is different and they can shift according to the situation, they will rely more on abilities and they seem to have more of an action and reaction type of playstyle over other ink types
4 Elsa - Spirit Of Winter The Elsa - Spirit of Winter card is a great card to play with a bit of strategy
Falling under the Amethyst ink type, this card has a very high cost of 8 ink to be summoned, however, if a player has an Elsa card already in play, the Spirit of Winter card can be "Shifted" and summoned for only 6 ink
While Diablo is more of a henchman than a partner in crime like most of the other duos on this list, its still a creative pairing and a captivating artwork even among the many Maleficent cards weve had in Lorcana to date
A very easy recommendation