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The 7-timing Damage Step (presented below) is as is it existed in 2010 [REF]. View the contemporary 5-timing Damage Step HERE.

Start Step

  • The turn player declares that he/she is entering the Battle Phase.
  • The turn player has the priority to play or activate a Spell Speed 2 effect or card (ex: "Threatening Roar") at the start of Battle Phase.
Note: Entering Battle Phase does not mean you must declare attacks. If you do not, go straight to End of Battle Phase.

Battle Step

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Substep 1.  Attack Declaration
  • The turn player selects a monster with which to attack the opponent / their monster.
  • ONLY ONE CHAIN may be built in response to an attack declaration.​
  • A REPLAY occurs if the number of monsters on your opponent's field changes.​
    • ​​If a new attack target is selected: the attack has already been declared, "Mirror Force" cannot be activated. Cards/effects that respond to a monster being select as an attack target (ex: "Crystal Beast Amber Mammoth") can be activated.
    • A direct attack may be selected if the number of monsters on the opponent's field has been reduced to zero.
    • ​If the attack is cancelled: that attacking monster CANNOT declare an attack later in that that Battle Phase, nor can its Battle Position be changed by the player's action (it is treated as having "declared an attack", except for the purposes of "Combination Attack").
  • The turn player retains priority to activate the first card / effect in direct response to the attack declaration.
  • Cards such as "Mirror Force", "Battle Fader", "Turbo Synchron", "XX-Saber Fulhelmknight", and "Light End Dragon" meet their activation timing here.
Substep 2.  Before the Damage Step
  • Multiple chains built with Spell Speed 2 or higher cards (that do not activate in response to an attack declaration).

Damage Step

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The Damage Step in Edison Format plays differently than contemporary Yugioh.
  • It is composed of seven distinct timings which sequester events.
  • Multiple chains may be formed during Substeps 1-3.
  • One chain is 'manually' built during each of Substeps 4-7 (with some exceptions).
  • Spell Speed 2 Spells / Traps which negate the activation of Cards / Effects CANNOT be activated during the Damage Step (ex: "My Body as a Shield").

Substep 1.  Start of the Damage Step Substep 2. Reveal the Set Monster
  • FLIP FACE-UP a face-down monster being attacked.
  • Flip Effects / effect that activate 'when this card is flipped face-up' DO NOT activate at this time (they will activate in After Damage Calculation 2 even if they are no longer on the field).
  • Continuous Effects of the flipped monsters apply immediately.
    • Continuous Effects that prevent the flipped monster from being attacked (ex: "Command Knight") DO NOT stop the attack.
    • Continuous/Continuous-like Effects that would destroy / remove the monster from the field DO NOT APPLY at this time (ex: "Giant Kozaki", "Rivalry of Warlords", "Gozen Match").
Substep 3.  Before Damage Calculation Substep 4.  Damage Calculation
  • FIRST: Effects that apply 'during damage calculation (only)' are applied immediately before the chain is formed.
  • ONLY ONE MANUAL CHAIN may be built involving:
  • AFTER THE MANUAL CHAIN: Continuous / Continuous-like Effects that apply 'during damage calculation only' re-calculate ATK/DEF.
  • THEN: Battle Damage is calculated and inflicted.
  • FINALLY: Monsters are marked as "destroyed by battle" (but remain on the field). Such monsters:
Substep 5.  After Damage CalculationSubstep 6.  Resolve Effects
Substep 7.  End of the Damage Step
  • Monsters destroyed by battle are IMMEDIATELY sent to the Graveyard (or moved elsewhere due to some Condition / Lingering Effect).
  • AFTERWARDS, A MANUAL CHAIN may be built involving:

* 'when this card destroys a monster by battle', even if that monster is no longer face-up on the field (ex: "XX-Saber Fulhelmknight", "Blue Thunder T-45").
* 'when this card destroys a monster by battle and sends it to the Graveyard', but ONLY IF that monster is face-up on the field and the     monster destroyed was specifically sent to the Graveyard (ex: "Goyo Guardian").
​* 'when this card is destroyed by battle [and sent to the Graveyard]' (ex: the battle tutors, "Colossal Fighter").
* 'at the end of the Damage Step', even if that monster is not face-up on the field (ex: "Legendary Jujitsu Master").
* Cards/Effects whose activation requirement were met (ex: "Michizure").
* Spell Speed 2 Effects that alter the ATK/DEF of monsters (ex: "Shrink", "Forbidden Chalice").
* Quick/Trigger Monster Effects that negate activation of cards/effects (ex: "Herald of Orange Light", "Light and Darkness Dragon").
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  • ANOTHER MANUAL CHAIN IS BUILT IF: Trigger Effects met their trigger condition while resolving the first manual chain.
  • Lingering Effects that apply 'until the end of the Damage Step' / 'during the Damage Step (only)' expire.
  • The Damage Step ends when both players decline to activate any additional cards/ effects. The Battle Step is then re-entered.
  • To proceed to the End of the Battle Phase: the turn player declares their intent to end the Battle Phase.

End Step

  • Continuous / Continuous-like Effects that effect "at the end of the Battle Phase"  apply immediately. This DOES NOT start a chain. (ex: "Goblin Attack Force").
  • The turn player has the priority to activate the first fast effect (Spell Speed 2 or higher effect).
  • Cards / Effects that activate "at the end of the Battle Phase" (ex: "Ancient Forest", "Skull Conductor", and "Gladiator Beast" monsters that battled and have remained face-up on the field) may activate now.