N: Cheap cards for EDH. looking to buy flooded strand and polluted d.

Cards I need for the edh deck

Aether barrier
Breathstealer's Crypt
Humility
Copy Enchantment
Ghostly Prison
Propaganda
Vile Consumption
Collective Restraint
Hissing Miasma
Lethal Vapors
Land Equilibrium
Overburden
Painful Quandary
Pendrell Mists
Spreading Plague
Tainted Aether
Ensnaring Bridge
Meekstone
Noetic Scales
Portcullis

Plus others you think fit this kind of deck!