Sidereal Confluence
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Can a card that has just been upgraded be spent to upgrade another card, or still serve as the prerequisite for another upgrade?
Several players agree on the one-upgrade and new-name points; the rulebook only requires that both cards be in your possession.
- Sidereal Confluence rulebook · Rulebook · Violet Converters
- gmhakim · Community · 2019-01-26
- Asmor · Community · 2019-01-26
- spartax · Community · 2023-03-05
No. A card can be upgraded only once, and the upgraded card takes a new name that matches no other upgrade prerequisite, so it cannot be spent again or used as the earlier technology in another upgrade. You may still upgrade several different cards in one Trade Phase.