Watchdog
Mana cost
Mana value3TypeArtifact Creature — Dog
Color identity
Colorless
RarityUncommon
SetTempest (TMP)
ArtistRichard Kane Ferguson
Price€0.15 · $0.20
Watchdog 
Artifact Creature — Dog
This creature blocks each combat if able.
As long as this creature is untapped, all creatures attacking you get -1/-0.
As long as this creature is untapped, all creatures attacking you get -1/-0.
Its growl is a long, rumbling grind of gears and clockwork, its bark a blast of hissing steam.
1/2
Legality
CommanderLegalStandardNot legalPioneerNot legalModernNot legalLegacyLegalVintageLegalPauperNot legalBrawlNot legalOathbreakerLegalHistoricNot legalTimelessNot legalPenny DreadfulNot legal
Rulings
2008-04-01
The second ability is no longer triggered. It continuously checks the tapped/untapped status of the Watchdog, and gives them -1/-0 as appropriate.