Wren, of the Falling Leaf

Defender
When Wren, of the Falling Leaf enters the battlefield draw a card and you gain 2 life.
Whenever Wren, of the Falling Leaf is declared as a blocker or is the target by a spell, you may exile him. Return him to the battlefield at the beginning of the next end step.
"Even in the strongest storm, it is the leaf that catches the wind and uses it to fly."