First attempt at Budget edh need help

1 Omnath, Locus of Mana

Creature 28

1 Aggressive Mammoth 1 Ambush Viper 1 Beanstalk Giant 1 Beast Whisperer 1 Boneyard Wurm 1 District Guide 1 Elvish Rejuvenator 1 Gigantosaurus 1 Hooting Mandrills 1 Hungering Hydra 1 Incubation Druid 1 Keeper of Fables 1 Kraul Harpooner 1 Martyr of Spores 1 Marwyn, the Nurturer 1 Nylea, God of the Hunt 1 Paradise Druid 1 Phyrexian Revoker 1 Regal Force 1 Rosethorn Acolyte 1 Sakura-Tribe Elder 1 Silhana Wayfinder 1 Steelbane Hydra 1 Thorn Mammoth 1 Wicked Wolf 1 Wildwood Tracker 1 Yavimaya Dryad 1 Yorvo, Lord of Garenbrig

Planeswalker 1

1 Jiang Yanggu, Wildcrafter

Spell 41

1 Adventurous Impulse 1 Baloth Cage Trap 1 Benefaction of Rhonas 1 Blessings of Nature 1 Bramblecrush 1 Caravan Vigil 1 Circuitous Route 1 Commune with Nature 1 Cream of the Crop 1 Cultivate 1 Fell the Pheasant 1 Genesis Wave 1 Grafdigger's Cage 1 Harmonize 1 Hunter's Insight 1 Invigorate 1 Keening Stone 1 Knowledge Pool 1 Kodama's Reach 1 Krosan Grip 1 Mimic Vat 1 Miming Slime 1 Mutagenic Growth 1 Naturalize 1 Nature's Claim 1 Oblivion Stone 1 Once and Future 1 Open the Gates 1 Outmuscle 1 Phytoburst 1 Ranger's Guile 1 Return of the Wildspeaker 1 Return to Nature 1 Revive 1 Rites of Flourishing 1 Search for Tomorrow 1 Slime Molding 1 Sol Ring 1 Staff of Nin 1 Swiftfoot Boots 1 Wilderness Reclamation

Land 29

1 Evolving Wilds 27 Forest 1 Gingerbread Cabin