A summon is a saga creature, so it works exactly like a saga: Once you reach the final chapter, and its triggered ability resolves, you have to sacrifice the saga
The reason that Disney Lorcanas publisher, Ravensburger, supplied game stores first was to foster a sense of community and build up the games fanbase in stores that would be better equipped to assist players new to the game and perhaps, to TCGs in general
There's also Helm of the Host for a more permanent alternative, Sword of Feast and Famine to untap all your lands twice for peak combat trickery, and Sword of Wealth and Power for lots of spell copying and Treasure tokens
Each glimmer is beautifully depicted in a way that honors the original animation, but has new, alternative elements that feel right at home in the realm of Lorcana
Ravensburger, developer of the Disney Lorcana trading card game, has revealed a new Collection Starter Kit product that includes an exclusive Rapunzel promo card and more