Mono green aggro--is it modern playable?

Modern Aggro Budget Hatebears Mono-Green

PlaytestGuy

Creature (31)

• 2x Birds of Paradise
• 2x Elvish Visionary
• 2x Jadelight Ranger
• 4x Llanowar Elves
• 2x Lotus Cobra
• 1x Paragon of Eternal Wilds
• 4x Pelt Collector
• 1x Prowling Serpopard
• 1x Questing Beast
• 1x Resilient Khenra
• 3x Runic Armasaur
• 2x Syr Faren, the Hengehammer
• 4x Thorn Lieutenant
• 2x Vizier of the Menagerie

Land (22)

• 1x Barkchannel Pathway  ^Flip
• 1x Field of Ruin
• 14x Forest
• 3x Hashep Oasis
• 2x Memorial to Unity
• 1x Scavenger Grounds

Planeswalker (2)

• 1x Vivien, Arkbow Ranger
• 1x Vivien, Monsters' Advocate

Instant (4)

• 4x Beast Within

Sorcery (1)

• 1x Turntimber Symbiosis  ^Flip

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Sideboard

Creature (11)

• 1x Collector Ouphe
• 2x Deathgorge Scavenger
• 1x Elvish Reclaimer
• 1x Fblthp, the Lost
• 1x Kavu Predator
• 2x Manglehorn
• 1x Shifting Ceratops
• 1x Thrashing Brontodon
• 1x Vine Mare

Artifact (4)

• 2x Silent Gravestone
• 1x Sorcerous Spyglass
• 1x Sorcerous Spyglass

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Maybeboard

Creature (19)

• 1x Barkhide Troll
• 2x Elvish Visionary
• 2x Kalonian Tusker
• 3x Karametra's Acolyte
• 2x Manglehorn
• 3x Reclamation Sage
• 4x Scythe Leopard
• 2x Thrashing Brontodon

Sorcery (1)

• 1x Rhonas's Last Stand

Land (2)

• 2x Memorial to Unity

Enchantment (1)

• 1x Shapers' Sanctuary

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Code goes here

I am trying to brew a modern deck. I believe that the card Prowling Serpopard has some serious potential if combined with powerful sideboard hate bear cards like Collector Ouphe . Add aggro cards and some 4-drop "bombs" like Vizier of the Menagerie and Questing Beast and you kinda have a deck going. Vivien, Monsters' Advocate , rhondas's last stand and some other one-ofs and bad cards will be replaced by the aquireboard soon, I hope.

Fblfpip is in here for the meme

Top Ranked	Achieved #2 position in Modern Aggro 3 years ago Achieved #2 position in Modern Budget 3 years ago
Date added	3 years
Last updated	3 years
Legality	This deck is Modern legal.
Rarity (main - side)	6 - 0 Mythic Rares 21 - 10 Rares 13 - 5 Uncommons 6 - 0 Commons
Cards	60
Avg. CMC	2.47
Tokens	Beast 3/3 G, Elf Warrior 1/1 G, Resilient Khenra 4/4 B