Oketra, The Valiant

Vigilance, lifelink
Whenever you lose life gain half that amount
At the beginning of your end step If you have 10
or more Life then your opponent Create a
2/3 white Oketra silk mage creature token with
{t} {w} sacrifice Oketra silk mage, return Oketra,
The Valiant from your graveyard to your hand.