Daphix. the Whispering Arbor

When an another creature comes into play, you
may have Daphix. the Whispering Arbor
power and toughness become the power and
toughness of that creature.
Whenever Daphix. the Whispering Arbor
receives combat damage from a creature, you
may deal 3 damage to that creature.
It is never a good time to disturb the calm of nature.