easy and casual stuff includes
Primal Strike shaman +x, like warder or archon or druid
pet conjurer
vitality caster, like ritualist, archon, oppressor or conjurer
Soldier+X, like forcewave or blade arc or blitzer, specially in conjunction with Oathkeeper or Necromancer or Shaman
gunners you have Purifier or Paladin, Oppressor
personal favourite that has to be mentioned and is a super dope starter too; melee dual wield pierce Blademaster
edit. compendium link sniped by Medea 