Ghired, Mirror of the Wilds, Goblin Sharpshooter, and Altar of Dementia

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Goblin Sharpshooter on the battlefield
• Altar of Dementia on the battlefield
• You have a way to create a creature token this turn
• Goblin Sharpshooter is untapped and does not have summoning sickness

Steps

1. Create a creature token
2. Activate Goblin Sharpshooter by tapping it, creating a copy of the creature token
3. Activate Altar of Dementia by sacrificing a creature token
4. When the creature token dies, Goblin Sharpshooter triggers, untapping itself
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power
6. Repeat from step 2

Results

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