Am I vexing? (Help plz)

Standard UR (Izzet)

HamburgerHelper

Creature (14)

• 4x Guttersnipe
• 4x Nivmagus Elemental
• 2x Talrand, Sky Summoner
• 4x Vexing Devil

Planeswalker (1)

• 1x Tamiyo, the Moon Sage

Land (20)

• 9x Island
• 9x Mountain
• 2x Sulfur Falls

Instant (22)

• 4x Counterflux
• 3x Izzet Charm
• 4x Searing Spear
• 3x Syncopate
• 4x Thought Scour
• 4x Unsummon

Sorcery (4)

• 4x Devil's Play

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Sideboard

Creature (4)

• 4x Delver of Secrets  ^Flip

Instant (4)

• 4x Dissipate

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Maybeboard

Creature (3)

• 3x Mercurial Chemister

Planeswalker (1)

• 1x Chandra, the Firebrand

Artifact (3)

• 3x Runechanter's Pike

Instant (6)

• 4x Street Spasm
• 1x Thunderous Wrath
• 1x Volcanic Geyser

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The last version of this deck (before RTR) was all around Talrand and counters. I made a lot of changes with RTR but there is still something wrong with this deck... Need help to figure out because I dont win the games that I am suppose to win with...

Date added	12 years
Last updated	12 years
Legality	This deck is not Standard legal.
Rarity (main - side)	1 - 0 Mythic Rares 20 - 0 Rares 7 - 8 Uncommons 15 - 0 Commons
Cards	61
Avg. CMC	1.80
Tokens	Drake 2/2 U, Emblem Tamiyo, the Moon Sage
Folders	Fire Creature Decks