TI4 Rules DeskTwilight Imperium 4
Living Rules Reference · v2.0
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Influence

Influence represents a planet’s political power. Players spend influence to gain command tokens using the “Leadership” strategy card, and the influence values of planets are used to cast votes during the agenda phase.

A planet’s influence is the rightmost value (surrounded by a blue border) found on the planet’s system tile and planet card.
A player can spend a planet’s influence by exhausting that planet’s card.
A player can spend a trade good as if it were one influence.
  1. Players cannot spend trade goods to cast votes during the agenda phase.

Source: Twilight Imperium: Fourth Edition — Living Rules Reference v2.0 (September 22, 2020), page 20. Rules text reproduced verbatim; the rulebook’s diagrams are omitted.