Gwyn, Lord of Sunlight

Indestructible, other Gods you control get +2/+2
{1}{r}: Gwyn deals 3 damage to target creature.
At the beginning of your end step, if your life
total is less than half your starting life total,
transform Gwyn, Lord of Sunlight.
"With the strength of Lords, Gwyn's mighty bolts
peeled apart their stone scales."