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Ghoultree? Worth a thought.

Derp nevermind... I thought it was all graveyards.

Using my Shadow of Doubt tech eh? Card is sweet imo.

Your list seems kinda weird. No Liliana? Negator? Don't get me wrong I love Negator but he doesn't seem needed. The most obvious swap to me...

Am I missing something here? Nether Void can't be hit by Abrupt Decay and it makes It cost 5 mana.

EDIT- I'm dumb, I see now haha.