Kezu, Who Wields the Beacon

Only activate the abilities of Kezu once per turn.
Flying, First Strike, Phasing {w}{w}{u}{u}
When Kezu, Who Wields the Beacon
phases in, if you control another Legendary
Spirit creature, Kezu gains +2/+2.
If any source would deal damage to another
Spirit creature you control, prevent 2 of that
damage. If you do, Kezu deals 2 damage to
your opponent.