Maze of Muertos

During your Main Phase: You can choose the 1 Effect Monster your opponent controls with the highest ATK (your choice, if tied), and neither player can activate that monster's effects on the field this turn. When your opponent activates a monster effect on the field (Quick Effect): You can Tribute this card from your hand or face-up field; Special Summon 1 Machine "Rescue-ACE" monster from your Deck. You can only use each effect of "Rescue-ACE Impulse" once per turn.

Rescue-ACE Impulse

OTS Tournament Pack 30

If a "Rescue-ACE" monster(s) is Normal or Special Summoned to your field, except "Rescue-ACE Fire Attacker" (except during the Damage Step): You can Special Summon this card from your hand. If a card(s) is added to your opponent's hand, except by drawing it (except during the Damage Step): You can draw 2 cards, then discard 1 card. You can only use each effect of "Rescue-ACE Fire Attacker" once per turn.

Rescue-ACE Fire Attacker

Burst Protocol

2+ FIRE monsters
You can only Special Summon "Rescue-ACE Arbitrator(s)" once per turn. If this card is Link Summoned: You can add 1 "Rescue-ACE Hydrant" or "Rescue-ACE HQ" from your Deck or GY to your hand. If you activate a "Rescue-ACE" Quick-Play Spell Card or a "Rescue-ACE" Normal Trap Card (except during the Damage Step): You can target 1 card your opponent controls; destroy it. You can only use this effect of "Rescue-ACE Arbitrator" twice per turn.

Rescue-ACE Arbitrator

You can shuffle 1 other "Rescue-ACE" card from your hand or face-up field into the Deck; Special Summon this card from your hand. You can Tribute this card; add 1 "Rescue-ACE" monster from your Deck to your hand, then you can Special Summon it if only your opponent controls a monster, also you cannot Special Summon from the Extra Deck for the rest of this turn, except FIRE monsters. You can only use each effect of "Rescue-ACE Quick Attacker" once per turn.

Rescue-ACE Quick Attacker

2025 Mega-Pack Tin

While you control a "Rescue-ACE" monster other than "Rescue-ACE Hydrant", your opponent's monsters cannot target this card for attacks, also your opponent cannot target this card with card effects. You can only use each of the following effects of "Rescue-ACE Hydrant" once per turn. You can activate a Quick-Play Spell, or Trap Card, that was Set by the effect of your "Rescue-ACE" card, the turn it was Set. During your Main Phase: You can add 1 "Rescue-ACE" monster from your Deck to your hand, except "Rescue-ACE Hydrant".

Rescue-ACE Hydrant

25th Anniversary Tin: Dueling Mirrors

(This card is always treated as a "Rescue-ACE" card.)
If you control a "Rescue-ACE" monster: Target 1 Effect Monster your opponent controls; this turn, that Effect Monster cannot attack, also its effects are negated. If you control "Rescue-ACE Hydrant" at resolution of this effect, that monster also cannot be used as material for a Fusion, Synchro, Xyz, or Link Summon this turn.

CONTAIN!

(This card is always treated as a "Rescue-ACE" card.)
Special Summon 1 "Rescue-ACE" monster from your Deck in Defense Position, then Tribute 1 "Rescue-ACE" monster from your hand or field. During your Main Phase: You can banish this card from your GY, then target 1 "Rescue-ACE" Trap in your GY; Set it. You can only use each effect of "EMERGENCY!" once per turn.

EMERGENCY!

(This card is always treated as a "Rescue-ACE" card.)
If you control a "Rescue-ACE" monster: Target 1 Effect Monster your opponent controls; destroy it, then, if you currently control "Rescue-ACE Hydrant", your opponent cannot activate the effects of that destroyed monster, or of monsters with its same original name, this turn.

EXTINGUISH!

(This card is always treated as a "Rescue-ACE" card.)
Target 1 "Rescue-ACE" monster you control; for the rest of this turn, that monster you control gains 1500 ATK/DEF, is unaffected by your opponent's monster effects, and the next time it would be destroyed by battle, it is not destroyed. You can banish this card from your GY, then target 1 "Rescue-ACE" Spell in your GY; Set that card. You can only use this effect of "REINFORCE!" once per turn.

REINFORCE!

If this card is Normal or Special Summoned: You can add 1 "Rescue-ACE" Spell from your Deck to your hand. When your opponent activates a monster effect on the field (Quick Effect): You can Tribute this card from your hand or face-up field; Special Summon 1 "Rescue-ACE" monster from your hand, except "Rescue-ACE Air Lifter". You can only use each effect of "Rescue-ACE Air Lifter" once per turn.

Rescue-ACE Air Lifter

If a "Rescue-ACE" monster(s) is Normal or Special Summoned to your field, except "Rescue-ACE Fire Engine" (except during the Damage Step): You can Special Summon this card from your hand. If a monster(s) is Special Summoned to your opponent's field (except during the Damage Step): You can Special Summon 1 Level 4 or lower "Rescue-ACE" monster from your hand, Deck, or GY. You can only use each effect of "Rescue-ACE Fire Engine" once per turn.

Rescue-ACE Fire Engine

While your opponent controls a monster, all "Rescue-ACE" monsters you control gain 500 ATK/DEF. During your Main Phase, you can Normal Summon 1 "Rescue-ACE" monster, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) Once per turn: You can target 4 of your "Rescue-ACE" cards that are banished and/or in your GY; shuffle them into the Deck, then draw 1 card.

Rescue-ACE HQ

If this card is Normal or Special Summoned: You can add 1 "Rescue-ACE" Trap from your Deck to your hand. When your opponent activates a monster effect on the field (Quick Effect): You can Tribute this card from your hand or face-up field, then target 1 "Rescue-ACE" monster in your GY, except "Rescue-ACE Monitor"; Special Summon it. You can only use each effect of "Rescue-ACE Monitor" once per turn.

Rescue-ACE Monitor

You can banish 1 "Rescue-ACE" card from your GY; Special Summon this card from your hand. If you control another "Rescue-ACE" monster (Quick Effect): You can target 1 Effect Monster your opponent controls; change it to face-down Defense Position. If this card is sent to the GY: You can target 1 of your banished "Rescue-ACE" monsters, except a Level 8 monster; Special Summon it. You can only use each effect of "Rescue-ACE Preventer" once per turn.

Rescue-ACE Preventer

Maze of Millennia

(This card is always treated as a "Rescue-ACE" card.)
Add 1 "Rescue-ACE" monster from your GY to your hand, or if you control "Rescue-ACE Hydrant", you can add 1 "Rescue-ACE" monster from your Deck to your hand instead. You can only activate 1 "ALERT!" per turn.

ALERT!

You can banish 2 "Rescue-ACE" cards from your GY; Special Summon this card from your hand. During your Main Phase: You can Set up to 4 "Rescue-ACE" Quick-Play Spells / Normal Traps, with different names, directly from your Deck. If another card(s) you control leaves the field by an opponent's card effect (except during the Damage Step): You can target 1 card on the field; destroy it. You can only use each effect of "Rescue-ACE Turbulence" once per turn.

Rescue-ACE Turbulence

(This card is always treated as a "Rescue-ACE" card.)
Target 1 "Rescue-ACE" monster in your GY, or if you control "Rescue-ACE Hydrant", you can target 1 monster in your opponent's GY instead; Special Summon it to your field. You can only activate 1 "RESCUE!" per turn.