Serrated Biskelion + Thornbite Staff + Thran Vigil + Phyrexian Altar + Butcher Ghoul

Prerequisites

• Serrated Biskelion does not have summoning sickness.
• Thornbite Staff attached to Serrated Biskelion.
• Butcher Ghoul 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 Butcher Ghoul.
2. 2Activate Phyrexian Altar by sacrificing Butcher Ghoul, adding one mana of any color.
3. 3When Butcher Ghoul dies, its undying ability and Serrated Biskelion trigger.
4. 4Resolve the Serrated Biskelion trigger, untapping it.
5. 5Resolve the Butcher Ghoul trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. 6When Butcher Ghoul 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