Putrid Goblin + First Day of Class + Altar of Dementia

Prerequisites

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

Steps

1. 1Cast First Day of Class by paying , causing all creatures that enter the battlefield under your control this turn to get an additional +1/+1 counter put on it.
2. 2Activate Altar of Dementia by sacrificing Putrid Goblin.
3. 3Putrid Goblin's persist ability triggers, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
4. 4Putrid Goblin enters the battlefield, triggering First Day of Class, putting a +1/+1 counter on Putrid Goblin.
5. 5Resolve the Altar of Dementia ability from step 2, causing target player to mill cards equal to Putrid Goblin's power.
6. 6Repeat from step 2.

Effects

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill