Mazirek, Kraul Death Priest + Putrid Goblin + Phyrexian Altar

Prerequisites

• Putrid Goblin does not have a -1/-1 counter on it.

Steps

1. 1Activate Phyrexian Altar by sacrificing Putrid Goblin, adding one mana of any color.
2. 2Putrid Goblin dies, triggering its persist ability and Mazirek.
3. 3Resolve the Putrid Goblin trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
4. 4Resolve the Mazirek trigger, putting a +1/+1 counter on each creature you control.
5. 5Repeat.

Effects

• Infinite +1/+1 counters on most creatures you control
• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers