Owl of the Frozen Forest

Flying Haste Lifelink
{2}{t}:Turn this card into a 3/3 Human Mage
token with Deathtouch and Lifelink until end
of turn. At the end of your end step it turns
back into Owl of the Frozen Forest
{w}{w}{w}{b}: This creature power and toughness
is equal to the number of cards in your library
until end of turn. At the end of your end step it
reverts back to 2/3.