Watchdog
{3}
Artifact Creature — Dog
Oracle Text
This creature blocks each combat if able.
As long as this creature is untapped, all creatures attacking you get -1/-0.
Watch Out
Static ability — always active, can't be responded toRules Note
This card has a static ability that applies continuously as long as it's on the battlefield. There's no trigger or activation — the effect just exists. Removing the permanent is the only way to stop it.