When it enters the battlefield, all opponents lose life equal to the number of Vampires you control and you gain that much life
These certainly have their uses, but I found the "overwhelm an opponent with hyena cards" strategy to be pretty useful (and fun)

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The first is you make a cool design and either turn it into a character or happen to find a character that's a great fit for it
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It has allowed this archetype to play a more consistent beat down game, which means youre less reliant on the combo while simultaneously forcing opponents to respect it