Geralf, the Fleshwright + Putrid Goblin + Ashnod's Altar

Prerequisites

• Putrid Goblin does not have a -1/-1 counter on it.
• You have had at least one Zombie enter the battlefield under your control this turn.

Steps

1. 1Activate Ashnod's Altar by sacrificing Putrid Goblin, adding .
2. 2When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. 3When Putrid Goblin enters the battlefield, Geralf's second ability triggers, putting a number of +1/+1 counters on it equal to the number of other Zombies that entered the battlefield under your cotnrol this turn.
4. 4Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers