IRL Mono-Black Affinity

i am killing this game
problem

[4] Arcbound Ravager
[4] Disciple of the Vault
[4] Steel Overseer
[4] Frogmite
[4] Memnite
[4] Ornithoper
[2] Myr Enforcer

[4] Dismember
[3] Doom Blade

[4] Cranial Plating
[4] Mox Opal

[4] InkMoth Nexus
[2] Blinkmoth Nexus
[4] Darksteel Citadel
[9] Swamp