Arcades Sabboth{2}{G}{G}{W}{W}{U}{U}

Legendary Creature — Elder Dragon

Flying At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay {G}{W}{U}. Each untapped creature you control gets +0/+2 as long as it's not attacking. {W}: Arcades Sabboth gets +0/+1 until end of turn.