Eric Dorm, Zariel's Chosen

Flying, Haste, Lifelink
Eric Dorm's power is equal to the amount of creatures your opponents control.
When Eric Dorm dies, create a Legendary White Artifact token named "Sword of Zariel" with "Equipped Creature gets Flying, Haste, Lifelink,
and This creature's power is equal to the amount
of creatures your opponents control, equip {5}"