Other versions of the Pikachu Illustrator card sell for prices in the millions
Once played, the controller (the player who cast it) chooses one other player to defend this card
11 Tradeable Game Cards will be found on the Shadowless packs, and 11 ADDITIONAL GAME CARDS is found on the Unlimited packs
So this is clearly designed for one deck archetype, Life Gain, which is the third biggest archetype ever played, and it makes sense in +1/+1 counter decks that have the occasional lifelink dork or Commander or something that gains you life here and there like Akoum Refuge, and then if you have a Selesnya colored power matters build this would help there with things like Anthem effects
There are plenty of other possible lower-priced reprint options I could see being in the set including the other portal tutors, Goblin Settler, Scroll Rack just to name a few
Ashling brings together sacrifice synergies, enters abilities, and traditional kindred payoffs into a single strategy