Companion
1 Yorion, Sky Nomad

Deck
4 Leafkin Druid
4 Ketria Triome
4 Cavalier of Thorns
4 Omnath, Locus of the Roil
4 Fabled Passage
4 Breeding Pool
4 Risen Reef
3 Mystical Dispute
4 Arboreal Grazer
4 Cultivate
4 Uro, Titan of Nature's Wrath
3 Hydroid Krasis
4 Genesis Ultimatum
4 Ugin, the Spirit Dragon
4 Steam Vents
4 Stomping Ground
4 Temple of Mystery
2 Temple of Abandon
3 Island
2 Mountain
3 Forest
2 Temple of Epiphany
2 Aether Gust

Sideboard
2 Aether Gust
1 Yorion, Sky Nomad
3 Flame Sweep
3 Lovestruck Beast
2 Redcap Melee
1 Storm's Wrath
1 Negate
2 Scavenging Ooze