Rizzrack, the Timbersaw

Reactive Armor (Any time Rizzrack, the
Timbersaw is dealt damage put a Reactive
counter on it.)
Rizzrack, the Timbersaw gets +0/+1 for each
Reactive counter on it.
At the beginning your upkeep remove a Reactive
counter from Rizzrack, the Timbersaw.
This one is in the bag. And that one is too. And that
one! They are all in the bag.