Samut, the Rising Day

Indestructible, Lifelink
Samut, the Rising Day cannot attack or block unless you have the greatest life total or tied for the greatest life total.
{2}{w}{r}: Samut, the Rising Day deals 3 damage to target creature or player and you gain 3 life. This creature gains double strike until the end of turn.
Once the sun rises, Amonkhet is his domain