First strike, shroud, devoid.
Whenever 'Shiki' attacks, you may sacrifice an enchantment you control. If you do, it gains +X/+0, where X is the sacrificed enchantment's mana cost.
Whenever 'Shiki' deals combat damage to a player, return an enchantment from your graveyard to the battlefield with a Void counter on it.
"...To cast away all i am, and to become the bad person this world needed me to be... Would you forgive in the end, even if for only a moment?"