Geralf, the Fleshwright, Putrid Goblin, and Bloodflow Connoisseur

Prerequisites

• Geralf, the Fleshwright on the battlefield
• Putrid Goblin on the battlefield
• Bloodflow Connoisseur on the battlefield
• 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. Activate Bloodflow Connoisseur by sacrificing Putrid Goblin
2. When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When 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. Resolve the Bloodflow Connoisseur ability, putting a +1/+1 counter on it
5. Repeat

Results

• Infinite +1/+1 counters on Bloodflow Connoisseur
• Infinite +1/+1 counters on Putrid Goblin
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers