Pentavus
Cauldron of Souls
Clock of Omens
Krark-Clan Ironworks

   Prerequisites

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

   Steps

How does this combo work?
1
Activate Cauldron of Souls by tapping it, giving Pentavus persist until end of turn.
2
Activate Krark-Clan Ironworks by sacrificing Pentavus, adding .
3
When Pentavus dies, its persist ability triggers, returning it from your graveyard to the battlefield with four +1/+1 counters on it.
4
Activate Pentavus' first ability twice by paying 2 and removing two +1/+1 counters from it, creating two 1/1 Pentavite artifact creature tokens.
5
Activate Clock of Omens by tapping Pentavus and a Pentavite, untapping Cauldron of Souls.
6
Repeat.
7
Once you have infinite colorless mana and Pentavite tokens, you may use Pentavus' second ability to put infinite +1/+1 counters on it.

   Results

What do I get from this combo?
Infinite +1/+1 counters on Pentavus
Infinite colorless mana
Infinite creature tokens
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana artifacts you control can produce
Infinite sacrifice triggers
Infinite untap of artifacts you control
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Lands
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