The Hero of Woofensdale

Squirrel's get -1/-1.
{2}{w}: You gain 2 life. If a Squirrel died this turn,
you gain 4 life instead.
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The hero looked down at the criminal. A single tear
fell from his eye. The criminal asked, "Why are you
crying?" and the hero said, "There is not a bigger
burden then to take down a squirrel of good deed."