Refactor “next xxx spell you cast this turn costs” to use shared code

All that cards must use shared code for same ability. Example: [[Peerless Samurai]], [[Hardened Berserker]], [[Panoptic Projektor]] and other

Search code by “spell you cast this turn costs”, ~11 cards ([scryfall](https://scryfall.com/search?q=o%3A%22spell+you+cast+this+turn+costs%22&unique=cards&as=grid&order=name)).

Search the codebase for “spell you cast this turn costs” and inspect the implementations for Peerless Samurai, Hardened Berserker, Panoptic Projektor, and the other matching cards. Identify the shared ability pattern and consolidate all roughly 11 matching cards so they use shared code while preserving their existing behavior.

Written by the indexing model from the issue text.