Main deck (60) 4 Bad River 4 Brainstorm 4 Cogwork Assembler 4 Darksteel Citadel 4 Ensoul Artifact 4 Heartless Act 5 Island 2 Mastermind's Acquisition 4 Master of Etherium 4 Ponder 4 Powerstone Shard 4 Sculpting Steel 4 Sunken Ruins 2 Swamp 4 Vault of Whispers 3 Yahenni's Expertise Sideboard (15) 2 Agonizing Remorse 4 Duress 2 Flaying Tendrils 1 Hierophant's Chalice 1 Memnarch 4 Spell Pierce 1 Yahenni's Expertise