Official rule text
1.9 If an ability has multiple effects separated by the word “and,” a 1.23 The opening paragraph of most abilities found on promissory player must resolve as many of the ability’s effects as possible. notes describes when a player can resolve that card’s ability. However, if the player cannot resolve all of its effects, that player is allowed to resolve as many as they can. a Some promissory notes have abilities that trigger as soon as a player receives the card.
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Source: Twilight Imperium: Fourth Edition - Living Rules Reference: Prophecy of Kings
Expansion: Prophecy of Kings
Version: 2.0
Reference: Rule 1.9