While you control a "Memento" monster, your opponent's monsters that can attack must attack the "Memento" monster you control with the highest ATK (their choice, if tied). When your opponent activates a monster effect on the field (except during the Damage Step): You can target 1 "Mementoal Tecuhtlica - Combined Creation" you control; it loses exactly 1000 ATK/DEF, and if it does, negate that activated effect. You can only activate this effect of "Mementotlan Cranium Burst" once per Chain.

Warrior / Effect

If this card is Normal or Special Summoned: You can discard 1 "Memento" card, then target 1 Spell/Trap your opponent controls; destroy it. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, Special Summon 1 Level 3 or lower "Memento" monster from your Deck. You can only use each effect of "Mementotlan Dark Blade" once per turn.

If you control a "Memento" monster: Target 1 card on the field; destroy it, then, if you control "Mementoal Tecuhtlica - Combined Creation", you can destroy 1 more card on the field. When an attack is declared involving your "Memento" monster and an opponent's monster: You can banish this card from your GY; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. You can only use each effect of "Mementotlan Fracture Dance" once per turn.

During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material, including a "Memento" monster. If a monster(s) in your possession was destroyed by card effect this turn, you can also shuffle "Memento" monsters from your GY into the Deck as material. During your Main Phase: You can banish this card from your GY; destroy 1 monster you control, and if you do, add 1 "Memento" Spell/Trap from your Deck to your hand. You can only use each effect of "Mementotlan Fusion" once per turn.

Fiend / Effect

If this card is Normal or Special Summoned: You can target 1 "Memento" card in your GY, except "Mementotlan Ghattic"; add it to your hand. If this card is sent to the GY by a "Memento" monster's effect: You can Special Summon this card. You can only use each effect of "Mementotlan Ghattic" once per turn.

Fiend / Effect

During the Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card; for the rest of this turn, your opponent cannot target "Memento" monsters you control with card effects. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, send up to 2 "Memento" cards with different names from each other from your Deck to the GY, except "Mementotlan Goblin". You can only use each effect of "Mementotlan Goblin" once per turn.

Fairy / Effect

During your opponent's Main Phase, if you control "Mementoal Tecuhtlica - Combined Creation" (Quick Effect): You can discard this card, then target 1 face-up monster your opponent controls; take control of it until the End Phase. During your Main Phase: You can destroy 1 "Memento" monster you control, and if you do, add 1 "Memento" card from your Deck to your hand, except "Mementotlan Mace". You can only use each effect of "Mementotlan Mace" once per turn.

Beast / Effect

During the turn a monster(s) in your possession was destroyed by card effect (Quick Effect): You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can Fusion Summon 1 "Memento" Fusion Monster from your Extra Deck, using monsters from your hand or field. If this card is destroyed by battle or card effect: You can send 1 "Memento" card from your Deck to the GY, except "Mementotlan Shleepy". You can only use each effect of "Mementotlan Shleepy" once per turn.

Beast / Effect

If you do not control any face-up monsters, other than "Memento" monsters: You can Special Summon this card from your hand. During your Main Phase: You can destroy 1 "Memento" monster you control, and send any number of "Memento" monster(s) (with different names) from your Deck to the GY whose total Levels are less than or equal to the destroyed monster's original Level. You can only use each effect of "Mementotlan Tatsunootoshigo" once per turn.

Thunder / Fusion / Effect

2 "Memento" monsters

Any monster destroyed by battle with your "Memento" monster is banished. You can only use each of the following effects of "Mementotlan Twin Dragon" once per turn. If this card is Fusion Summoned: You can destroy 1 "Memento" monster in your hand or face-up field, and if you do, add up to 2 "Memento" monsters with different names from your Deck to your hand. If this Fusion Summoned card is destroyed: You can Special Summon 1 Level 6 or lower "Memento" monster from your GY.

Dragon / Effect

If you have 3 or more "Memento" monsters with different names in your GY, you can Special Summon this card (from your hand). You can only Special Summon "Mementotlan-Horned Dragon" once per turn this way. If this card on the field is destroyed by card effect: You can target 3 face-up cards on the field, including a "Memento" card you control; destroy them. You can only use this effect of "Mementotlan-Horned Dragon" once per turn.

Draw cards equal to the number of "Number" Xyz Monsters with different names you control. You can only activate 1 "Memories of Hope" per turn.

Fiend / Effect

When this card inflicts Battle Damage to your opponent by a direct attack, remove from play all Synchro Monsters in your opponent's Graveyard, and inflict 1000 damage to your opponent for each monster removed.

Fiend / Effect

If this card successfully attacks directly, inflict 100 damage to your opponent for each card in their Extra Deck.

When an effect of an Attack Position monster your opponent controls is activated: Negate that effect, and if you do, change that monster to face-up Defense Position.

When an opponent's monster declares an attack: You take damage equal to the attacking monster's ATK, and if you do, banish that monster. During the End Phase of your opponent's next turn, Special Summon that monster to your side of the field.

Psychic / Tuner

When this removed from play card is Special Summoned, reveal the top 3 cards of your opponent's Deck. Choose 1 of those cards and remove it from play. Then, shuffle the others into the Deck.

Psychic / Tuner / Effect

You can activate 1 of these effects;

● Banish up to 1 LIGHT and up to 1 DARK monster from your hand and/or GY; increase or decrease this card's Level by the exact number banished, until the end of this turn.

● Target up to 2 of your banished monsters (1 LIGHT and/or 1 DARK); return them to the GY, and if you do, increase or decrease this card's Level by the exact number returned, until the end of this turn.

You can only use this effect of "Mental Tuner" once per turn.

Beast / Normal

Dis big ol' guy wit' a big ol' eye shoots a nasty ray beam right atcha!

Cyberse / Effect

If a Field Spell Card is activated: You can Special Summon this card from your hand, then, if face-up cards are in both Field Zones, this card cannot be destroyed by battle or card effects this turn. You can only use this effect of "Meowseclick" once per turn. During your turn, the effects of the face-up card in your opponent's Field Zone are negated. During your opponent's turn, the effects of the face-up card in your Field Zone are negated.

Tribute 1 "Cyber Angel" Ritual Monster from your hand or field; draw 2 cards, then place 1 card from your hand on the bottom of the Deck. For the rest of this turn after this card resolves, you cannot Special Summon monsters, except Ritual Monsters. You can only activate 1 "Merciful Machine Angel" per turn.

Cyberse / Xyz / Effect

2+ Level 9 monsters

If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card as material. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.

Spellcaster / Effect

You can only use each effect of "Merlin" once per turn.

● You can Tribute this card; Special Summon 1 "Noble Knight" monster from your Deck. You cannot Special Summon monsters the turn you activate this effect, except "Noble Knight" monsters.

● (Quick Effect): You can banish this card from your GY; immediately after this effect resolves, Synchro Summon 1 "Noble Knight" Synchro Monster using monsters you control.

● (Quick Effect): You can banish this card from your GY; immediately after this effect resolves, Xyz Summon 1 "Noble Knight" Xyz Monster using monsters you control.

Sea Serpent / Effect

Once per turn: You can target 1 face-up Level 3 or lower monster you control; equip that target to this card. (You can only equip 1 monster at a time to this card with this effect.) While equipped with a monster by this effect, this card gains 800 ATK. If this card would be destroyed, you can destroy the monster equipped to it with this effect, instead.

Aqua / Effect

While "Umi" is face-up on the field, this card can attack twice during the same Battle Phase.