Azir, Emperor of Shurima

+1: Create 3 1/1 sand soldier tokens with vigilance and "If there are 3 or more sand soldiers on the field they gain double strike."
-4: Return all sand soldiers that have died or been removed from the game onto the battlefield.
-8: Create a 15/15 sun disk tower artifact with defender, reach, and "If an opponent attacks you, up to one target creature must attack this tower."