Bretagard Stronghold [March of the Machine Commander]

Bretagard Stronghold enters the battlefield tapped.

{T}: Add {G}.

{G}{W}{W}, {T}, Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up to two target creatures you control. They gain vigilance and lifelink until end of turn. Activate this ability only any time you could cast a sorcery.