Field Fluffle

Fibonacci Upkeep (This creature enters the battlefield with an age counter on it. At the beginning of your upkeep, if there are an odd number of counters on this, set this creature's base power to the sum of its power and toughness. Otherwise, set its base toughness to that number. Then, put an age counter on this.)
At the beginning of your upkeep, put a number of -1/1 green and white rabbit tokens on the battlefield