Cyrryn, the Unkillable

Ascend, Double Strike, Indestructible, Flying
If you do not have the cities blessing Cyrryn, the Unkillable cannot attack.
At the beginning of each upkeep create a 1/1
gnome.
Gnomes get +2/+2 and ward 1.
If a spell or permanent would deal damage, exile,
or destroy a gnome Cyrryn deals 5 damage to its
caster for each gnome affected.
You cannot cast Cyrryn, the Unkillabe unless you control Cellmu, Home of the Gnomes.