Mylune by Leaf

Tier 1:
D - From Death Comes Life: Whenever a nearby enemy minion dies, restore 2.5% of your maximum health and 2% of your maximum mana.
D - Nature's Blessing: Whenever you hit an enemy with an ability, you gain a charge of Spell Block, reducing the damage from the next enemy Ability against you by 50%. Can hold up to 3 charges.
Q - Life Finds a Way: Squirrel Assault now goes over terrain and its width is increased by 200%.
W - Bristled Skin: If Bear Toss hits an enemy hero, you gain a shield for 20% of your maximum health for 12 seconds.

Tier 2:
D - Nature's Awareness: Quest! Capturing a mercenary camp passively increases your damage done by 4%, up to 20%. Reward!: Upon capturing 5 mercenary camps, also gain 5% bonus movement speed and 25% increased vision radius.
D - Hasty Friend-Making: Friend of the Wilds' cooldown is reduced by 40%.
D - Critter Commander: Friend of the Wilds increases minion damage done by 35%.
D - Friendship Never Ends!: Mercenaries are now also affected by Friend of the Wilds.

Tier 3:
E - Feast on the Mighty: Eagle Call deals 150% increased damage against enemy heroes.
Q - Ankle Bite: Squirrel Assault now also roots enemy heroes for 1.25 seconds.
D - Natural Momentum: Killing an enemy with an ability reduces your Basic Ability cooldowns by 1.5 seconds.
1 - Majestic Leap: Activate to leap towards a target direction. 8 sec cooldown. 2 charges.

Tier 4:
R1 - Nature's Call
R2 - Lullaby

Tier 5:
D - Nature's Guardian: Friend of the Wilds also affects the nearest allied hero and grants them a shield for 15% of your maximum health every 10 seconds.
E - Infested Talons: Eagle Call now also reveals its targets for 10 seconds and causes them to take medium damage over that duration.
W - Un-Bear-able Pain: Bear Toss deals 50% increased damage on rooted, stunned or slowed targets.
W - Safe Landing: Bear Toss' cooldown is halved if it hits an enemy.

Tier 6:
E - Flock Together: Eagle Call gains a second charge and its damage is increased by 15% per eagle alive.
W - Cub Lob: Bear Toss's range is increased by 33% and it's delay is reduced by 50%.
Q - Critter Kill Squad: Squirrel Assault increases your attack speed and attack range by 25% for 8 seconds if it hits an enemy hero.
D - Boss Friend Benefits: Friend of the Wilds can now be used on Boss mercenaries to deal 50% of their health as damage.

Tier 7:
R1 - Lively Environment: Nature's Call's radius is increased by 50% and it now also affects allied heroes and mercenaries, for 15% of its effect.
R2 - Sleepwalk: You can now move and cast abilities while channeling Lullaby.
D - Boundless Friendship: Friend of the Wilds' passive radius is now global and the damage reduction is increased to 35%.
Z - Make Haste: Activate to increase the Movement Speed bonus of Dryad's Swiftness to 80% for 6 seconds.

Winter Mylune
Mylune with light blue colors.
Autumn Mylune
Mylune with orange and brown colors.
Nightmare Mylune
Mylune with the colors of the Emerald Nightmare.
Mylune of the Flame
Mylune with the colors of a Druid of the Flame.

MY1-UN v.3 (legendary)
Mylune as a mech. Based off the Machines of War event.
For Squirrel Assault, MY1-UN3 summons mechanical squirrels.
For Bear Toss, MY1-UN3 throws an anodized bear cub.
For Eagle Call, MY1-UN3 calls down a mechanical pandaren dragonling.
For Nature's Call, MY1-UN3 uses a goblin teleporter device.
For Lullaby, MY1-UN3 releases a shock from a gnomish device, but also electrocutes herself. (For Sleepwalk, she can still move, and some sparks fly out of her.)