U/B/R Aggro Deck? Help LOL

Standard UBR (Grixis)

BrianAlonsoMTG

Creature (23)

• 3x Aerial Guide
• 1x Air Elemental
• 1x Ammit Eternal
• 2x Burning-Fist Minotaur
• 2x Eternal of Harsh Truths
• 1x Frontline Devastator
• 3x Khenra Eternal
• 2x Manticore Eternal
• 1x Shivan Dragon
• 1x Striped Riverwinder
• 3x Wasp of the Bitter End
• 3x Zealot of the God-Pharaoh

Land (23)

• 4x Cinder Barrens
• 4x Crypt of the Eternals
• 5x Island
• 5x Mountain
• 5x Swamp

Artifact (3)

• 1x Throne of the God-Pharaoh
• 2x Visage of Bolas

Instant (10)

• 3x Final Reward
• 2x Magma Spray
• 3x Open Fire
• 2x Supernatural Stamina

Planeswalker (1)

• 1x Nicol Bolas, the Deceiver

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This is my least favorite deck, but i want to improve it. I need opinions.

Should I: Take apart the deck and try something new or should I Add/remove cards

Thank you in advance :D

Date added	6 years
Last updated	3 years
Legality	This deck is not Standard legal.
Rarity (main - side)	1 - 0 Mythic Rares 5 - 0 Rares 14 - 0 Uncommons 25 - 0 Commons
Cards	60
Avg. CMC	3.35