Menace, lifelink
If a nontoken creature an opponent controls would die, exile it instead. When you do, you may pay . If you do, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

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Lisette, Dean of the Root 
Legendary Creature - Human Druid
Whenever you gain life, you may pay . If you do, put a +1/+1 counter on each creature you control and those creatures gain trample until end of turn.
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