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

Legacy of Ixth

Roll 1 die: 1-5: Destroy each unit in the Mecatol Rex system, then each player destroys 3 of their units in each system adjacent to Mecatol Rex. 6-9: Each player draws 1 spliced card from any deck. 10: Draw up to 2 spliced cards from any decks.
Edict

Roll 1 die:

1-5: Destroy each unit in the Mecatol Rex system, then each player destroys 3 of their units in each system adjacent to Mecatol Rex.

6-9: Each player draws 1 spliced card from any deck.

10: Draw up to 2 spliced cards from any decks.

1in the deck
–chance to draw

Source: Twilight's Fall