To be honest, the tactics need the Rogue to be awake and know when to Line of Sight, CC, deal damage and practice helps. Probably you get tired of trying to help boost other Rogues that think they can face-roll on top of the Warrior until there's a win. Enough though, let's start some strategy talk.
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Talent specialization may vary but Rogue is mutilate and Priest discipline, point distribution doesn't make or break these fights,wow power leveling, so you use what you find best for you. As far gear goes Rogue should be using a darkmoon card: death or the equivalent proc trinket from naxx, sit around 3,4k AP, Priest can do with 1850 unbuffed spell-power and it's good to have 20,000 HP and 15,0000 mana so you're not lacking stats. Resilience isn't the key to winning so Rogue can go lower then 400 and Priest around 800.
Laying down the law upon Druid/Warrior (4/10):
Starting out we sap on the Warrior, he berserker rages out and we wait some seconds and start on the Druid, fear the Warrior so he has to trinket it for helping his Druid. This is an attempt to force trinket on the Warrior, don't force yourself upon the Druid, but you can hope he dies. Warrior sits in the sap; you can run in dispelling the Warrior and force yourself in between Druid and war to mana burn/push Druid back. After sap runs out, you can turn around and send in MB, HF and SWD on war while he's stun locked fully.
We want the Druid out of mana by mana burns or dispelling the Warrior when it helps Rogues DPS or running the efficiency of his heals. This tactic is heavily based on playing the Druid OOM without even touching him.
After the starter, we use instant on Rogue and mana burn the Druid; the Warrior is defensive till he's topped. Rogue gouges the Warrior and runs out of line of sight and perhaps gets a restealth. War berserker rages out of gouge, keep a small amount of pressure on him if he follows the Rogue to have the Druid healing and then fear the Warrior the moment berserker rage is faded, then restealth.
This force an incredible amount of the Druid's heals to be overhealing and he's turtling away from Priest from mana burns, so you'd be surprised with the amount of restealths getting off. You can continue this till innervate is blown, which is quite fast to do, then get another restealth like always, except this time Priest doesn't pressure anyone, but drinks up to sort of reset completely.
Afterwards you go back to the previous tactic of OOM the Druid, blow shadow-fiend when the Druid is OOM and blow up the Warrior with it. The tactic of OOM Druid gets a lot of shit because it can be terribly hard but that's what openers are for. Restealthing makes current heals on Warrior ineffective and the burst going into him in a starter can easily make him go 100-20, perhaps 0. Establishing this pressure always destroys the Druids mana and honestly it'll also be a success without the cheap shot opener.
The Druid doesn't go OOM if he keeps trying to drink, but in doing so we make sure that the Warrior will die.
Let's now talk Druid/retribution Paladin (2/10). This setup doesn't require any effort, does the same starter by chasing the Druid away from ret and dispel ret. Blow up ret, he'll bubble the first stun lock. Restealth as much as you need sap, open and win due burst. We've never needed to OOM the Druid in this match-up and there isn't much pressure on us. Resetting in this is just twice as easy as on Druid/ Warrior, so play it calmly and you'll win.