[deck=modern affinity]
Land
1 Island
1 Mountain
4 Inkmoth Nexus
4 Blinkmoth Nexus
3 Spire of Industry

Artifact
1 Welding Jar
4 Darksteel Citadel
4 Cranial Plating
4 Springleaf Drum
3 Master of Etherium
4 Mox Opal
4 Arcbound Ravager
4 Ornithopter
4 Signal Pest
3 Steel Overseer
2 Memnite
3 Vault Skirge
1 Hope of Ghirapur
1 Etched Champion

Instant
2 Galvanic Blast

Sorcery
1 Thoughtcast

Planeswalker
2 Karn, Scion of Urza

Sideboard
2 Rest in Peace
2 Blood Moon
2 Ghirapur Aether Grid
2 Etched Champion
2 Ancient Grudge
2 Dispatch
2 Stubborn Denial
1 Thoughtseize
[/deck]

modern affinity

1 Island
1 Mountain
4 Inkmoth Nexus
4 Blinkmoth Nexus
3 Spire of Industry
1 Welding Jar
4 Darksteel Citadel
4 Cranial Plating
4 Springleaf Drum
3 Master of Etherium
4 Mox Opal
4 Arcbound Ravager
4 Ornithopter
4 Signal Pest
3 Steel Overseer
2 Memnite
3 Vault Skirge
1 Hope of Ghirapur
1 Etched Champion
2 Galvanic Blast
1 Thoughtcast
2 Karn, Scion of Urza


Sideboard
2 Rest in Peace
2 Blood Moon
2 Ghirapur Aether Grid
2 Etched Champion
2 Ancient Grudge
2 Dispatch
2 Stubborn Denial
1 Thoughtseize