Laughing One

When Laughing One enters the battlefield, target creature gets -2/-2 until end of turn.
Ambush {2}{b} (If an opponent attacks you with two
or more creatures, you may cast this spell for its
ambush cost and you may cast it as if it had flash.)
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"The way these gnolls just laugh at nothing without
warning is unnerving."
—Zaira Arkentyl