This. Also, make sure you invade the split second the other team summons their prime. This will keep them distracted while your teamates are gathering motes trying to catch up. Also, never bank anything less than 15 motes. Go big or go home. I've also heard that it's good luck to pop your super, grenade, and class ability in the waiting room. This is a secret tactic that causes the AI to glitch and summon more high value targets once the round starts. Another tip, if you're invading, make sure you sit and wait by the bank the entire round until the portal opens. You'll be sure to get the early jump on them this way. Do the above steps and you'll be a Dredgen in no time.