Affinity?

[Destore117]

Can Affinity for artifacts reduce casting costs to {0} ?

[Keyeto]

Yep! It would have to be colorless, but it absolutely can.

RESOLVED

[Steerpike]

Turn 1: {Darksteel Citadel}, {Memnite}, {Memnite}, {Memnite}, {Frogmite}, {Frogmite}, tap citadel for {Myr Enforcer}
If you started 2nd, another {Myr Enforcer}

[Destore117]

Turn 1: {Darksteel Citadel}, {Memnite}, {Memnite}, {Memnite}, {Frogmite}, {Frogmite}, tap citadel for {Myr Enforcer}
If you started 2nd, another {Myr Enforcer}

Add a {Darksteel Juggernaut} and start wrecking kids? :3

[Birdbrain]

Could you cast your entire deck with this if you had something like {beck} or {glimps of nature} active?

[Keyeto]

Could you cast your entire deck with this if you had something like {beck} or {glimps of nature} active?

As long as you have enough creatures to keep it going, sure!