Euden, Dragonblood Prince

Vigilance
Whenever a Dragon with Pactbound enters the
battlefield under your control, put a +1/+1
counter on that creature.
If Euden, Dragonblood Prince is exiled as
you cast a Dragon with Pactbound, put two
+1/+1 counters on that creature.
—
"Power is but a means to protect those we love. So
long as I am needed, I will fight!"
- Euden