Edison Rules Compendium

SEGOC - Simultaneous Effects Go On Chain:

When 2 or more trigger effects want to activate at the same time, we use “SEGOC“ to find out which order they must activate in.

Let’s say that each player controls a Dupe Frog (a card with an optional trigger effect), and each player also controls a Sangan (which has a mandatory trigger effect).

If “Dark Hole“, is activated, the effects will activate as follows:

• CL1: Turn player’s (mandatory) Sangan.
• CL2: Other player’s (mandatory) Sangan.
• CL3: Turn player’s (optional) Dupe Frog.
• CL4: Other player’s (optional) Dupe Frog.

As you can see, mandatory triggers always happen first, and the turn player’s triggers always happen before the opponent’s.

Early Trigger:

In Edison, there is an additional layer to this: Trigger order, or “Early Trigger“.
Effects which “happened first“ also need to trigger first. This does override regular segoc.

Let’s say that Sangan is tributed for Caius the Shadow Monarch. Both of these are mandatory trigger effects, so using Segoc, you could trigger them in any order. However, since Sangan was sent to the GY first, it must trigger first (before the Caius). The chain must be:

• CL1: Sangan
• CL2: Caius