2 Yorion, Sky Nomad 4 Vivien, Monsters' Advocate 4 Ketria Triome 4 Uro, Titan of Nature's Wrath 2 Thassa's Oracle 4 Fabled Passage 3 Agent of Treachery 4 Leafkin Druid 4 Cavalier of Thorns 4 Risen Reef 4 Omnath, Locus of the Roil 4 Spark Double 4 Arboreal Grazer 4 Growth Spiral 4 Temple of Mystery 4 Breeding Pool 4 Stomping Ground 4 Steam Vents 8 Forest 1 Mountain 4 Island Sideboard 1 Yorion, Sky Nomad