Mechtitan Core
Prototype Portal
Myr Battlesphere
Clock of Omens
Krark-Clan Ironworks

   Prerequisites

What do I need to start this combo?
Mechtitan Core in exile (Mechtitan Core exiled by Prototype Portal in exile).
All other permanents on the battlefield.
You control at least three other nontoken artifact creatures and/or nontoken Vehicles.
7 available

   Steps

How does this combo work?
1
Activate Prototype Portal by paying 2 and tapping it, creating a token copy of Mechtitan Core.
2
Activate the Mechtitan Core token by paying 5 and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token.
3
Activate Krark-Clan Ironworks by sacrificing the Mechtitan token, adding .
4
The Mechtitan core token triggers, returning all other cards exiled by it to the battlefield tapped.
5
Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
6
Activate Clock of Omens by tapping two Myr tokens, untapping Prototype Portal.
7
Activate Krark-Clan Ironworks three times by sacrificing three Myr tokens, adding .
8
Repeat.

   Results

What do I get from this combo?
Infinite blinking of artifact creatures
Infinite blinking of Vehicles you control
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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