Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

Particle Sieve

After you activate this system, if it does not contain any planets, you may place 1 frontier token in this system.

Glimmer of MortheusUnit – Ship – Flagship

Flagship

After you activate this system, if it does not contain any planets, you may place 1 frontier token in this system.

SUSTAIN DAMAGE

8cost

7 (×2)combat

1move

3capacity

Source: Discordant Stars