GPT Pitsburg (Modern) My deck

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So i believe this is the deck i will be running this weekend. It is a close version of Affinity that Ethan Brown piloted through the most recent GP to a 2nd place finish. This weekends GPT is hosted by OMG Games, located in Barrie, Ontario. I am anticipating a great turnout as the prize structure is as follows:

Prizes:
1st – 3 Tarmogoyf and 2 Byes for GP Pittsburgh
2nd – 1 Tarmogoyf
3rd-4th- $100 store credit
5th-8th- $30 store credit
Additional prizes will be added to the prize pool after 32 players.

Here is the event info. Come out and play
https://www.facebook.com/events/1584176825234634/

Main Deck
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4 Arcbound Ravager
4 Signal Pest
1 Master of Etherium
4 Vault Skirge
3 Steel Overseer
3 Memnite
4 Ornithopter
4 Etched Champion
4 Galvanic Blast
4 Cranial Plating
4 Mox Opal
4 Springleaf Drum
4 Darksteel Citadel
1 Mountain
4 Blinkmoth Nexus
4 Inkmoth Nexus
3 Glimmervoid
1 Sea Gate Wreckage

Side Board
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2 Spellskite
1 Grafdigger’s Cage
1 Spell Pierce
1 Wear // Tear
1 Blood Moon
2 Whipflare
1 Dismember
2 Thoughtseize
2 Ancient Grudge
1 Ghirapur Æther Grid
1 Relic of Progenitus