reason why you can play 'for free'

target of play 'for free'

Remote Supply Depot
Outpost
Shields: 30
Build where you have a Dominion ENGINEER. Your equipment may report aboard, for free, regardless of quadrant. Resets countdowns of Ketracel-White aboard. Does no repair ships.

’45 Dom Perignon, Ablative Armor, Agonizer, Anti-Matter Pod, Bajoran PADD, Bajoran Phaser, Bajoran Phaser Rifle, Bat’leth, Bio-Neural Gel Pack, Borg Data Node, Borg Nanoprobes, Breen CRM114, Cardassian Disruptor, Cardassian Disruptor Rifle, Cardassian PADD, Classic Communicator, Classic Disruptor, Classic Medical Tricorder, Classic Tricorder, Classic Type II Phaser, D’k Tahg, Dominion PADD, Echo Papa 607 Killer Drone, Emergency Transport Unit, Engineering Kit, Engineering PADD, Engineering Tricorder, Federation PADD, Ferengi Disruptor, Ferengi Disruptor Rifle, Ferengi PADD, Ferengi Whip, Gold-Pressed Latinum, Hirogen Disruptor Rifle, Hirogen Talon, Hypospray, I.P. Scanner, Jem’Hadar Birthing Chamber, Jem’Hadar Disruptor, Jem’Hadar Disruptor Rifle, Kar’takin, Kazon Disruptor, Kazon Disruptor Rifle, Ketracel-White, Klingon Disruptor, Klingon Disruptor Rifle, Klingon PADD, Kukalaka, Medical Kit, Medical PADD, Medical Tricorder, Mek’leth, Mirror Dagger, Mobile Holo-Emitter, Multidimensional Transporter Device, Plasmadyne Relay, Romulan Cloaking Device, Romulan Disruptor, Romulan Disruptor Rifle, Romulan PADD, Satan’s Robot, Scepter of the Grand Nagus, Science Kit, Science PADD, Self-Sealing Stem Bolts, Small Cloaking Device, Starfleet Type III Phaser Rifle, Starfleet Type II Phaser, Starfleet Type I Phaser, Stolen Cloaking Device, The Ferengi Rules of Acquisition, Tommygun, Transporter Control Module, Transporter Drones, Transport Inhibitor, Tricorder, Vidiian Harvester, VR Headset

The Great Link
Headquarters
Shields: 46
Seeds or plays on Founder's homeworld. Ketracel-White on planet does not count down. Once per turn, one Founder OR one HQ card may play for free here. (Not duplicatable).

HQ: War Room, HQ: Ferengi Credit Exchange, HQ: Orbital Weapons Platform, HQ: Defensive Measures, HQ: Return Orb to Bajor, HQ: Secure Homeworld, Bashir Founder, Founder, Founder Leader, Founder Leader, Beguiling Teacher, Kira Founder, Krajensky Founder, Leyton Founder, Lovok Founder, Martok Founder, O’Brien Founder, Odo Founder