Helena Markos, Matriarch

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters
the battlefield with that many +1/+1 counters on it.)
Vigilance
At the beginning of your upkeep, lose 1 life and
draw a card for each Witch you control.
Remove a +1/+1 counter from Helena: Return
target creature to its owner's hand.