Maximum Crisis Single Cards

If all monsters you control are Normal Monsters (min. 1): Target 1 card your opponent controls; destroy it. If Umi is on the field, you can activate this card from your hand. You can banish this card from your Graveyard, then target 1 Normal Monster you control; equip that Normal Monster with all Phantasm Spiral Equip Spell Cards you control that can equip to it.

If all monsters you control are Normal Monsters (min. 1): Target 1 Effect Monster your opponent controls; until the end of this turn, it loses 1000 ATK and DEF, also it has its effects negated. If Umi is on the field, you can activate this card from your hand. You can banish this card from your Graveyard, then target 1 Normal Monster you control; equip 1 Phantasm Spiral Equip Spell Card from your hand or Graveyard to that Normal Monster.

Target 1 Phantasm Spiral Dragon you control; when it destroys 3 Effect Monsters your opponent controls, by battle, while equipped with 3 or more Phantasm Spiral Equip Spell Cards with different names, you win the Duel. If Umi is on the field, you can activate this card from your hand. If a Normal Monster(s) you control would be destroyed by battle or card effect, you can banish this card from your Graveyard instead.

Send 1 Destruction Sword card and 1 Buster Blader monster from your Deck to the Graveyard, except Prologue of the Destruction Swordsman; Special Summon 1 Buster Dragon from your Extra Deck or Graveyard, but destroy it during the End Phase of the next turn. You can banish this card from your Graveyard; this turn, Destruction Sword cards you control cannot be destroyed by battle or card effects. You can only activate 1 Prologue of the Destruction Swordsman per turn.

When this card is activated: You can place 1 or 2 Dinomist Pendulum Monster(s) from your Deck in your Pendulum Zone, but you cannot Pendulum Summon monsters until the end of the next turn, except Dinomist monsters (even if this card leaves the field). Once per turn, if this card is already face-up in your Spell & Trap Zone: You can Tribute 1 Dinomist monster, then target 1 card your opponent controls; return it to the hand.

Target 1 Zefra card you control and 1 card your opponent controls; destroy them. If you have 2 Zefra cards in your Pendulum Zones, you can activate this card from your hand. You can only activate 1 Zefra War per turn.

Activate 1 of these effects.
● Add 1 Wyrm-Type monster from your Deck to your hand.
● Send any number of Wyrm-Type monsters from your hand and/or face-up from your field to the Graveyard; draw cards equal to the number of monsters you sent to the Graveyard +1.

You can pay 1000 LP, then target 1 face-up Spell/Trap Card on the field; destroy it. You can only activate this effect of Unending Nightmare once per Chain.

When a card(s) on the field is destroyed by battle or card effect: Special Summon Duston monsters from your Deck to anywhere on the field, equal to the number of those destroyed cards. If this card is in your Graveyard: You can banish 1 Duston monster from your Graveyard; Special Summon this card in Defense Position as a Normal Monster (Fiend-Type/DARK/Level 1/ATK 0/DEF 1000) to your opponent's field. (This card is NOT treated as a Trap Card.) This effect can only be used once while this card is in the Graveyard. If Summoned this way, it cannot be Tributed, or be used as Material for a Fusion, Synchro, or Xyz Summon.

2 Level 4 monsters
Once per turn, during either player’s turn: You can detach 1 Xyz Material from this card, then target 1 Spell/Trap Card on the field; destroy it.

During either player's turn, when your opponent activates a card or effect: You can send this card from your hand or field to the Graveyard, then target 1 Subterror monster you control; negate the activation, then change the targeted monster to face-down Defense Position. You can target 1 face-up monster you control; change it to face-down Defense Position, and if you do, Special Summon 1 Subterror monster from your hand or Graveyard, in face-up or face-down Defense Position. You can only use each effect of Subterror Fiendess once per turn.

FLIP: You can send 1 card from your Deck to the Graveyard. You can only use this effect of Subterror Behemoth Phospheroglacier once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.