Energy costs to use your ship's Systems are halved (rounding up).
Kevan
Neutron Bomb
Spend 10, no more than once per round: Neutron Bomb deals 50 Damage to all players (as if Attacking), next round.
Kevan
Genetic Spaceship Miracle
If an opponent runs out of Energy in the same turn you Attacked them, gain their Systems.
Cait
Druuge Efficiency
Throw X crew members into the furnace to gain a 3X bonus to all Attacks next round. The total crew expendable in this manner equals this System's System Strength.