Mikaeus, the Unhallowed + Altar of Dementia + Putrid Goblin
Produces: Infinite ETB, Infinite LTB, Infinite death triggers, Infinite mill, Infinite sacrifice triggers, Infinite self-mill
- Color identity
- B
Steps
- Activate Altar of Dementia by sacrificing Putrid Goblin.
- When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
- Resolve the Altar of Dementia ability.
- Activate Altar of Dementia by sacrificing Putrid Goblin.
- When Putrid Goblin dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
- Resolve the Altar of Dementia ability.
- Repeat.
How to execute this combo
The "Mikaeus, the Unhallowed + Altar of Dementia + Putrid Goblin" combo takes 7 steps in order. Make sure you have the mana open and permanents listed in the prerequisites before you start — opponents can respond between steps.
The end result: Infinite ETB, Infinite LTB, Infinite death triggers, Infinite mill, Infinite sacrifice triggers, Infinite self-mill.
Practice the line offline: lay out the cards, walk through each step, and note where you can lose the combo (summoning sickness, lack of priority, removal on a key permanent). In game, announce each step clearly; in casual play you can offer to shortcut after demonstrating the loop.
The best window is a turn when opponents are tapped out or after they commit a spell — hold protection (a counter, Vexing Shusher) if the combo wins on the spot.