Centaur Apprentice

Haste
You may exert Centaur Apprentice as it attacks.
When you do, it gains +1/+1 until end
of turn and you gain 1 life.

'To run wild, free and untamed.
To enjoy life in all its vigour and live by the rules of nature alone.
That is what it means to be a centaur. But first you
must learn to run.'
-Hoof-Leader Pharia