Pigeon Headquarters

At the beginning of your upkeep, sacrifice a food.
If you do, create two 1/1 white Pigeon creature
tokens with flying, otherwise return a Pigeon you
control to it's owner's hand.
{w}{u}{g}: Create a 1/1 white Pigeon creature
token with flying.
{w}{u}{b}{r}{g}: Pigeons you control get +1/+1
until end of turn.