Battle At The Summit

Flash
When a friendly creature with growth levels up,
draw a card.
{g}{g}: If friendly units with growth have leveled
up 5 times or more, untap all creatures and give
any creature +2/+2, flight and double strike.
"Brothers killing each other? That's insane! I'll put a
stop to this stupid fight. If you got a problem with that,
I'll put a stop to you too."