Sai of the Shinobi

Flying, vigilance

When this creature enters, you may return target enchantment card from your graveyard to your hand.

When this creature enters, search your library for an Aura card that could enchant it. If this creature is still on the battlefield, put that Aura card onto the battlefield attached to it. Otherwise, reveal the Aura card and put it into your hand. Then shuffle.

Enchant creature Enchanted creature can't attack or block. 1W: Return this Aura to its owner's hand.

Flying Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control.

Enchant creature Enchanted creature has lifelink. 1W: Attach this Aura to target creature you control. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Creatures can't attack you unless their controller pays 2 for each creature they control that's attacking you.

Enchant creature Enchanted creature gets +1/+1 and has first strike. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)