attacking or activating an ability the requires tapping the creature as part of the activation cost, or target it with a spell or ability that taps a creature
against the right decks, even a dinky little Annihilator 1 creature can really have it's chip damage add up
While it boils down to a fearsome, french-vanilla creature with a bunch of scary keywords, the precise combination of keywords Sire of Seven Deaths has can quickly bring an aggressive deck's assault to a screeching halt
Time has been kind to this one, though, and as the years have passed, more decks have come around that can utilize this well, making a curiosity into a veritably potent card in the right deck
Whether you've picked up and played with every set or just the ones that appeal to you the most, there's been something for every type of player this year, especially those who play Commander