BAM Machine

When the "BAM" button is hit during a duel, the order of priority in which effects occur is shown below.

1. Power-Ups

Order: In the order decided by the Player.

• All Power-Ups

2. Round Start

2.1 Positive effects applicable to several cards

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect types: Immune All, Boost All, [ATTRIBUTE] Boost All, [TYPE] Boost All.
• Special: Stim-Pack, Gazelle the King of Mythical Beasts, Umiiruka, Crystal Tree, Star Light, Star Bright, The Nordic Lights, Shining Angel.

2.2 Negative effects applicable to several cards

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect types: Cripple All, [TYPE] Cripple All.
• Special: Dark Hole, Gazelle the King of Mythical Beasts, Germ Infection, Umiiruka, Shining Angel.

2.3 Round Start effects that relate to the number of cards in the Graveyard

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect types: First Strike.

2.4 Round Start effects that relate to the number of cards in the Deck

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect types: Last Stand.

2.5 Round Start effects that relate to the number of cards on the field

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect types: Courage, Timidity.
• Special: Just Desserts, Curse of Darkness, Magic Jammer.

2.6 Before the End of Round Start

• Special: Toy Magician.

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Normal Spell Cards which have used all their effects are now sent to the Graveyard, except for the ones with a Special effect.

3. Channels

3.1 Effects that destroy Spells

Order: Your Monsters, opponent's Monsters, your Spells, opponent's Spells.

• Effect types: Annihilate Spells, Destroy Spell, Sacrifice Spell, Sacrifice All Spells.

3.2 Effects when a card is activated

Order: Your Spells, opponent's Spells, your Monsters, opponent's Monsters.

• Effect types: Sacrifice Monster, Sacrifice All Monsters, Sacrifice [TYPE], Annihilate Monsters, Annihilate [TYPE], Sneak, Destroy Monster, Immune, Immune All [Type], Heal, Heal Opponent, Soothe, Hurt Opponent, Backfire, Shock, Osmosis, Boost, Cripple.
• Special: Mirror Force, Fake Trap, Dark Bat, Vampire Lord.

3.6 Effects to cards that have been damaged

Order: Your Monsters, opponent's Monsters.

• Effect types: Fragile.

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Normal Spell Cards which have used all their effects are now sent to the Graveyard, except for the ones with a Special effect. Loop from the start of "3. Channels" for each Channel.

4 Round End

4.1 Positive Round End effects

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect Types: Growth
• Special: Horn of Heaven, Ultimate Offering.

4.2 Negative Round End effects

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Effect types: Self-Destruct, Feeble, Feeble All.
• Special: Tribute to the Doomed, Reinforcements, Stim-Pack, Lunar Queen Elzaim.

4.3 Round End effects that relate to the number of cards on the field

Order: Your Spells, your Monsters, opponent's Spells, opponent's Monsters.

• Special: Royal Decree.

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Normal Spell Cards which have used at least one of their effects are now sent to the Graveyard, including the ones with a Special effect.

Trigger Effects

These effects are triggered at any time during a Round.

• Effect types: Shared Fate, Farewell, Sorrow, Parting Gift, Mirror, Rage, Drain, Empathy, Power Redistribution, Requiem, Break Immunity, Spirit Protection, Bloodlust, Acid Jet, Explosion, Big Explosion.
• Special: Call of Darkness, Robbin' Goblin, Magical Thorn, Castle Walls, Dark Room of Nightmare, Rainbow Life, A Cat of Ill Omen, Burning Skull Head, Call of the Haunted, Wandering Mummy, Umi, Ceremonial Bell.

References

1. The new and improved BAM-Machine. Konami.