Petal Platform
Cooldown: 12 seconds
Throw a platform that springs upwards when stepped on. Resets when not in use.
Life Grip
Cooldown: 18 seconds
Pull an ally to your location, protecting them as they travel.
Tree of Life (Ultimate)
Needs to be charged
Place a tree that instantly heals allies upon sprouting and continues healing periodically as it lives.
In case the video won't load here's the external link.
A Guide for the Hero Lifeweaver from Overwatch
The narrator talks about the hero generally then summarizies it's abilities and how you can use the effectively in the most precise but shortest way. In the background there are clips from the game, possibly it's the narrator's gameplay. He talks about against which heroes can and can't be this specific hero be used.