Kytheon, Warrior's Spirit

First Strike, Vigilance
Prevent all non-combat damage that would be dealt to Kytheon.
Kytheon, Warrior's Spirit costs {3} less to cast for each time it went to the command zone this game.
{1}{w}: Put Kytheon from the command zone onto the battlefield. It's an enchantment aura with "Enchant creature" and "Enchanted creature gets +4/+2 and has First Strike and Vigilance. Prevent all combat damage that would be dealt to it.".