Eirdu, Carrier of Dawn
Altar of Dementia
Realm Seekers

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield and Realm Seekers without a -1/-1 counter on it on the battlefield).
There are a total of at least two cards in all hands.

   Steps

How does this combo work?
1
Activate Altar of Dementia by sacrificing Realm Seekers.
2
When Realm Seekers dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
3
Resolve the Altar of Dementia ability.
4
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite mill
Infinite sacrifice triggers
Infinite self-mill
Nethroi, Apex of Death
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