Artemis, Natural Guardian

When Artemis, Natural Guardian enters the battlefield, you may search your library for Sasha, Fierce Companion and place it in your hand.
Reach, Vigilance
Artemis gets +1/+2 and double strike when Sasha, Fierce Companion is also on the battlefield.
"Beauty is everywhere. See, little one? You made this."
-Artemis Silverbow, to his adoptive son on their initial meeting