Era, The One

Flying, Indestructible, Defender
Other birds you control gain +2/+2 and
Indestructible.
{2}{g}{g}{t}: Put a +1/+1 counter on each bird you
control.
{2}{w}{w}{t}: You gain 1 life for each bird in play.
{2}{u}{u}{t}: Counter target spell.
{2}{b}{b}{t}: Return target bird card from your
graveyard to the battlefield.