Simple view:

Tyranid Mycetic Swarm PREVIEW

Version 3.0 Epic Remastered

Detachment Base Cost: 25 points

Synapse

You must take three Synapse choices.

Hive Tyrant

Consists of 1 Hive Tyrant: 44 points

or 1 Winged Hive Tyrant (Hive Tyrant with Jump Packs): 49 points

Broodlord

Consists of 1 Broodlord (Genestealer unit with Assault, Psyker, Save, Synapse Creature): 29 points

Tyranid Warrior brood

Consists of 1 to 6 units from:

Tyranid Warrior unit: 23 points each

Tyranid Shrike unit (Tyranid Warrior unit with Jump Packs): 28 points each

Zoanthrope brood

Consists of 1 to 3 Zoanthrope: 23 points each

Broods

Take up to ten Brood choices.

Termagant brood

Consists of 1 to 5 Termagant unit: 7 points each

Hormagaunt brood

Consists of 1 to 5 Hormagaunt unit: 7 points each

Gargoyle brood

Consists of 1 to 5 Gargoyle unit (landed) (Termagant unit with Jump Packs): 12 points each

Genestealer brood

Consists of 1 to 2 Genestealer unit: 10 points each

Lictor brood

Consists of 1 to 3 Lictor: 17 points each

Carnifex brood

Consists of 1 to 3 Carnifex: 25 points each

Biovore brood

Consists of 1 to 2 Biovore: 23 points each

Pyrovore/Venomthrope/Toxicrene brood

Consists of 1 to 2 Pyrovore unit: 15 points each

Hive Guard brood

Consists of 1 to 2 Hive Guard unit: 18 points each

Zoanthrope brood (legacy) (This option is included for compatibility with old Epic 40k lists.)

Consists of 1 to 3 Zoanthrope (legacy): 17 points each

Detachment Rules

Chain of Command: Hive Tyrant > Tyranid Warrior/Zoanthrope > any other unit.
Synapse: As long as this Detachment contains any Synapse Creature units, it auto-passes Leadership tests and cannot be broken. Retreat as normal.
Mycetic Swarm: This swarm always uses the Drop Pod rules, regardless of scenario.