Eldest Dragon Highlander

Legendary Creature — Elder Dragon — {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}

Flying, trample, rampage 2 {W}{U}{B}{R}{G}: Elder Dragons you control get +7/+7 until end of turn. At the beginning of your upkeep, sacrifice Eldest Dragon Highlander unless you pay {W}{U}{B}{R}{G}.