Originally Posted by
Arsenal
To keep the one creature, that you've now altered your maindeck and sideboard for, harmless. Also, most SBs do not have Sui Black hate cards, but many do have Leyline of the Void. I could definitely see your opponent, not really knowing what else you play in your Sui Black (if you've splashed for green and included Goyf', Grip, Mongrel), I'm sure he's wondering what other fundamental changes you've made.
And even if your opponent doesn't bring in GY in on you in game 2, I still don't see how your Leyline of the Void + Goyf' = synergy. If anything, both cards lose their effectiveness when both are in play. Please explain this to me. Am I not reading the wording correctly?