Zask, Skittering Swarmlord, Verdant Succession, and Phyrexian Altar

Prerequisites

• Zask, Skittering Swarmlord on the battlefield
• Verdant Succession on the battlefield
• Phyrexian Altar on the battlefield
• You control another nontoken green Insect

Steps

1. Activate Phyrexian Altar by sacrificing another nontoken green Insect, adding one mana of any color
2. The Insect dies, triggering Zask and Verdant Succession
3. Resolve the Zask trigger, putting the Insect on the bottom of your library from your graveyard and causing you to mill two cards
4. Resolve the Verdant Succession trigger, searching your library for that Insect and putting it onto the battlefield
5. Repeat

Results

• Infinite self-mill
• Near-infinite colored mana
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers