Vermilica

Flying, Infect, cannot take more than 6 damage
per source.(Max Health 30)
If a creature with -1/-1 counters on it would
attack or block, this creature gains 3 health and 3 attack.
Sanguine Squall: Whenever this creature attacks,
at the beginning of each upkeep for 4 upkeeps,
this creature deals 2 damage to each creature defending player controls.