Serrated Biskelion + Thornbite Staff + Thran Vigil + Phyrexian Altar + Evernight Shade

Prerequisites

• Serrated Biskelion does not have summoning sickness.
• Thornbite Staff attached to Serrated Biskelion.
• Evernight Shade does not have more than one +1/+1 counter on it.

Steps

1. 1Activate Serrated Biskelion by tapping it, putting a -1/-1 counter on it and Evernight Shade.
2. 2Activate Phyrexian Altar by sacrificing Evernight Shade, adding one mana of any color.
3. 3When Evernight Shade dies, its undying ability and Serrated Biskelion trigger.
4. 4Resolve the Serrated Biskelion trigger, untapping it.
5. 5Resolve the Evernight Shade trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. 6When Evernight Shade leaves your graveyard, Thran Vigil triggers, putting a +1/+1 counter on Serrated Biskelion.
7. 7Repeat.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifeloss