Shadow squirrel

In 1. turn Shadow squirrel gets: +1/+1counter and Haste.
In 2. turn gets: +1/+1 counter, Haste, First strike.
In 3. turn gets: +1/+1 counter, Haste, First strike, Trample.
In 4. turn gets: +1/+1 counter, Haste, First strike, Trample, Indestructible.
In 5. turn gets: +1/+1 counter, Haste, Trample, Indestructible, Doubble strike.
In 6. turn gets: +1/+1 counter, Haste, Trample, Indestructible, Doubble strike, Annihilator 2.