Dancer of the Boreal Valley

When Dancer of the Boreal Valley enters the battlefield, put a slice counter on target creature.
Whenever you draw a card, target opponent
loses 2 life and you gain 2 life.
Whenever you gain life, put another slice counter
on target creature.
When Dancer of the Boreal Valley leaves the battlefield, destroy all creatures with slice
counters on them. The remaining creatures all
get +1/+1, vigilance and lifelink.