I'll try to comment on the grades that we had more than 1 click off (the difference between a B and a B+ I'll let Keterys decide, we're ballparking most of these powers any way, and the powers can easily become more or less powerful situationally).
I really don't see the attraction for this one. So whatever you're fighting won't move away and keep attacking you. As far as I'm concerned this power has no effect on melee monsters. For artillary and controllers, there are a few more applications, but you can usually move up to them, it's rare that you have to teleport to them. The damage isn't anything to write home about either.
There are so many powers that are fantastic against solos/elites, this one doesn't really rise above them. I can go up to a B but definitely not an A power. I like surgeless healing as much as anyone, but compared to spirit of healing flood, (which I think is an A power). In solo and elite fights, I like powers that kill them faster, and find them more valuable, healing powers are good when the PC's are outnumbered and everyone is getting attacked all the time. I just think this power is a little backwords.
A-, B Macetail Rage: < temp HP easy to get for barb, low initial damage
I absolutely love this power for a Thaneborn barbarian, since they don't have many ways of gaining temporary hit points. And to top it off, it's Strength based and not Con based. But I don't think that makes it an A power. In 6 rounds of combat, if you hit 4 of those rounds, that's about 16 temporary hit points. It's comparable to what you gain from Armor of Agathys (about 13), but the aura damage over 6 rounds is considerably more than what the barbarian does with the initial attack.
I could go with a B+ because of the powers use for a Thaneborn barbarian.
This is good for chewing up minions. But difficult fights where you need a rage is usually fights where you're fighting few tough opponents. And in those fights, this might net one, maybe two attacks. There is usually no guarantee you'll be the one taking down an opponent, so the rage effect might even go wasted.
C+, C- Swift Panther Rage
I find that the speed boost hardly comes into play. If you're a chain wering barbarian, it might come into play a bit more. The shift two is almost completely useless to any barbarian with Pressing Strike. For a barbarian without pressing strike it could be useful. I'd be willing to take the difference between our grades, and go with a C for this one.
Damage is average, slow is a very situationally useful condition, and combat advantage is not difficult to gain. I mean it's a solid daily power, but I'm curious why you think it deserves an A?
A-, B Fires of Life: < only a AB1, in most cases will hit 2 opponents, and rarely kill any.
If you miss, this is a dismal daily. The after effect is usually what you're counting on. And that's a mere Con bonus healing. If you can coordinate with your strikers to take down the targets that are taking the ongoing damage (assuming you hit), is what keeps this power at the B level for me, instead of knocking it down to a C.
But just to note, it's hard to compare this power to others, because it's rather uncommon to see controller powers that act like leader powers.
I'm not sure what I was thinking of on this one... It looks like it should be at least around a B. I think it's better than Freezing Cloud, which is a B-. Less damage but much better effects. It's not easy to use though. The druid has to be built like a defender to make the best out of this.
It's just a bit of damage to one target. For a controller daily, this is a dud as far as I'm concerned, but I gave it a C since the damage isn't bad.
The uncrontrollable nature of this power is very unfortunate. Against an undead, you might be hoping for some radiant damage, and get ongoing poison instead, which does nothing. Not an A.
B+,C+ Dazzling Ray , < lots of damage but just dull.
Comparing to some thing like Brute Strike, it's about the same damage. Brute Strike is a C+, I didn't think the unreliable nature of the wild magic was enough to bump it up a knotch.
It's a power vs fortitude, and poison is the most resisted energy type. I guess if you were going with a poison theme it would be all right, but this is definitely not an impressive daily. It's comparable to Acid arrow, which is a C power.