The single-player challenges are designed purely to help players understand how the games elemental system works - which is similar to that of the Pokmon video game series - and give them a chance to use various cards found in the wider game, which is great for helping to develop your sense of play and on-the-spot thinking
Interestingly enough, the card itself has no value in the trading card game, as the description, roughly translated, reads "We certify that your illustration is an excellent entry in the Pokmon Card Game Illust Contest
How Do I Find The Kristoff Promo Card
It will be interesting to see if this card receives consistent reprints over time like Sun Titan or if it goes the way of a lot of other Commander cards that get printed at Mythic Rare and we dont see an accessible reprint for years
Deathleaper, Terror Weapon Ikoria gave us a bunch of cool keyword lords like Frondland Felidar and Quartzwood Crasher, and Deathleaper, Terror Weapon is basically your choice of haste or flash lord