Bone Miser, Nightmare Void, and Skirge Familiar

Prerequisites

• Bone Miser on the battlefield
• Nightmare Void in hand
• Skirge Familiar on the battlefield

Steps

1. Activate Skirge Familiar by discarding Nightmare Void, adding
2. Bone Miser's third ability triggers, causing you to mill two cards and return Nightmare Void from your graveyard to your hand
3. Repeat

Results

• Infinite self-mill
• Near-infinite black mana
• Near-infinite self-discard triggers