Audwynn, Apex Crusader

Audwynn has Indestructible, Haste, and Lifelink as long as it's your turn.
When three or more Knights you control deal combat damage to a player, exile target nonland permanent that player controls until Audwynn leaves the battlefield.
{4}{w}{r}: Create a 2/2 white Knight creature token with Vigilance, it gains Haste.