Barracks

Cannot attack or block
{0} : Barracks can block this turn. Barracks
cannot activate any abilities until your next turn.
{1}, {t} : Add {1} to your mana pool. Spend this
mana only to pay for Marine, Marauder,
Reaper, or Ghost creatures or abilities.
{5}, {t} : You gain an emblem with "Marine
creatures you control gain +0/1". You may only
have 1 of these emblems.