Mikaeus, the Unhallowed
Hex Parasite
Ashnod's Altar
Gray Merchant of Asphodel

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Gray Merchant does not have a +1/+1 counter on it.

   Steps

How does this combo work?
1
Activate Ashnod's Altar by sacrificing Gray Merchant, adding .
2
Gray Merchant dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3
Gray Merchant enters the battlefield, causing each opponent to lose at least five life and you to gain that much life.
4
Activate Hex Parasite by paying 1 and two life, removing the +1/+1 counter from Gray Merchant and giving Hex Parasite +1/+0 until end of turn.
5
Repeat.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite death triggers
Infinite ETB
Infinite lifegain
Infinite lifegain triggers
Infinite lifeloss
Infinite LTB
Infinitely powerful creature until end of turn
Infinite sacrifice triggers
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