Azir, Emperor of Sands

Lifelink
When Azir, Emperor of Sands enters the battlefield create 3 1/1 red, green, and white sand warrior creature tokens.
{t}, Tap any number of untapped creatures you control, Azir gets +X/+0 where X is the number of creatures tapped this way. Then Azir deals damage equal to his power to target creature or player.