Melania Blade of Miquella

Flying, vigilance, indestructible, scarlet rot 3 (when damage is dealt by this creature to a creature, plainswalker, and/or player that creature, plainswalker, and/or player takes an additional 3 damage every turn for 5 turns.)
You gain 2 life for every 1 damage dealt by scarlet rot. If you gained 5 or more life in a turn put a +1/+1 counter on this card.