You probably don't need the wrath or ghostly prison. You have plenty of creature presence to stop things hitting your face. Also you should check out a card called 'Brave the Elements'. I run a knight deck and it's a beast card.
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Well I want a little bounce and I will usually look to bounce something small so repeal works for that. Also In this deck I will rarely have more than 4 land on the field. I will be lucky to cast it for x=3. I might throw in one just for fun.
Clearly not aggro. You want some big artifact creatures like wurmcoil engine and maybe treasure mage to retrieve it. And to counter creeping corosion you need more countering ability...stoic rebutal.