Wikia

Were you looking for the Restoration druid talent called [Symbiosis] removed in Patch 4.2?

Symbiosis
Symbiosis 30 yd range 4.0% of base mana 2 sec cast Creates a symbiotic link which grants the Druid one ability belonging to the target's class, varying by the Druid's specialization. Also grants the target one Druid ability based on their class and combat role. Lasts 1 hour and persists through death. Cannot be cast on other Druids. Effect cancelled if Druid and target become too far apart.
Usable by
Class	Druid
Properties
School	Nature
Cooldown	(GCD 1.5 seconds)
Related buff
Symbiosis Grants the Druid one ability belonging to the target's class, varying by the Druid's specialization. Also grants the target one Druid ability based on their class and combat role. Lasts 1 hour and persists through death. Duration: 1 hour

Symbiosis is a druid ability gained at level 87 that adds dramatic versatility to a druid and another party member.

When activated, a "Symbiosis" ability will appear in a non-druid target party member's spellbook with an druid ability varying based on their class.

Abilities granted to druid by target

From research by WoW Insider, Wowhead News and "World of Matticus" blog:^[1]^[2]^[3]

From	⇒ Balance	⇒ Feral	⇒ Guardian	⇒ Restoration
Death Knight	[Anti-Magic Shell]	[Death Coil]	[Bone Shield]	[Icebound Fortitude]
Hunter	[Misdirection]	[Play Dead]	[Ice Trap]	[Deterrence]
Mage	[Mirror Image]	[Frost Nova]	[Frost Armor]^[1]	[Ice Block]
Monk	[Grapple Weapon]^[1]	[Clash]^[1]	[Elusive Brew]^[1]	[Fortifying Brew]^[1]
Paladin	Hammer of Justice	[Divine Shield]^[1]	[Consecration]^[1]	[Cleanse]^[1]
Priest	[Mass Dispel]	[Dispersion]	[Fear Ward]	[Leap of Faith]
Rogue	[Cloak of Shadows]	[Redirect]	[Feint]	[Evasion]
Shaman	[Purge]	[Feral Spirit]	[Lightning Shield]	[Spirit Walker's Grace]
Warlock	[Unending Resolve]	[Soul Swap]	[Life Tap]	[Demonic Circle: Teleport]
Warrior	[Intervene]	[Shattering Blow]	[Spell Reflection]	[Intimidating Roar]

Sources and notes

From "World of Matticus" blog:^[3]

: WoWHead Mists of Pandaria Symbiosis Comments
: [Druid] Symbiosis list & discussion at Official Mists of Pandaria Beta > Beta Classes forum (US)
: Symbiosis Results by Sunfyre on Mar.23, 2012 at Owlkin
: [MoP] Symbiosis thread at MMO Champion » Class Discussions » Druid forum

Abilities granted by druid to target

From research by WoW Insider, Wowhead News and "World of Matticus" blog:^[1]^[3]

To	⇒ Spec ⇓ Ability
Death Knight	Blood ⇓	Frost ⇓	Unholy ⇓
	[Might of Ursoc]	[Wild Mushroom: Plague]
Hunter	Marksman ⇓	Beast Mastery ⇓	Survival ⇓
	[Dash]
Mage	Frost ⇓	Arcane ⇓	Fire ⇓
	[Healing Touch]
Monk	Brewmaster ⇓	Mistweaver ⇓	Windwalker ⇓
	[Survival Instincts]^[1]	[Entangling Roots]^[1]	[Bear Hug]^[1]
Paladin	Holy ⇓	Protection ⇓	Retribution ⇓
	[Rebirth]^[1]	[Barkskin]^[1]	[Wrath]^[1]
Priest	Holy ⇓	Discipline ⇓	Shadow ⇓
	[Cyclone]^[1]		[Tranquility]
Rogue	Assassination ⇓	Subtlety ⇓	Combat ⇓
	[Growl]
Shaman	Elemental ⇓	Enhancement ⇓	Restoration ⇓
	[Solar Beam]		[Prowl]
Warlock	Demonology ⇓	Destruction ⇓	Affliction ⇓
	[Rejuvenation]
Warrior	Arms ⇓	Fury ⇓	Protection ⇓
	[Stampeding Shout]		[Savage Defense]^[1]

* Speculation based on tooltips. Savage Defense costs 3 Chi. Chi is Monk only energy. Wrath is listed as a Symbiosis spell but is not attached to a class.^[3]

Patch changes

Patch 5.2.0 (5-Mar-2013): Dispersion now has a 3-minute cooldown for Druids (was 2 minutes).; Shattering Blow now has a 1.5-second cast time to align correctly with the Warrior version of this ability.
Patch 5.1.0 (27-Nov-2012): The cast time of Symbiosis has been reduced to 2 seconds.
Patch 5.0.4 (28 August 2012): Added.