All "Krawler" monsters on the field gain 300 ATK/DEF. Once per turn: You can Special Summon 1 Level 2 or lower Insect monster from your hand in face-up or face-down Defense Position. When your Flip monster is destroyed by battle with an opponent's monster: You can send that opponent's monster to the GY.

Once per turn, if a face-up Link Monster you control is destroyed by battle, or leaves the field because of an opponent's card effect: You can Special Summon 1 "World Legacy" monster from your hand or Deck in Defense Position. You can only control 1 "World Legacy's Corruption".

Target 2 "World Chalice" monsters in your GY with different names; add them to your hand. If your linked Link Monster would be destroyed by battle, you can banish this card from your GY instead. You can only activate 1 "World Legacy's Heart" per turn.

Special Summon 1 "Mekk-Knight" monster from your hand or Deck in Defense Position, but return it to the hand during the End Phase. For the rest of this turn after this card resolves, you cannot Special Summon monsters, except "Mekk-Knight" monsters. You can only activate 1 "World Legacy's Memory" per turn.

When an opponent's monster activates its effect while you control a "Krawler" monster: The activated effect becomes "return 1 face-up monster your opponent controls to the hand". You can banish this card from your GY, then target 1 Link Monster on the field; Special Summon 1 "Krawler" monster from your hand, Deck, or GY to your zone the target points to, in face-down Defense Position. You can only use 1 "World Legacy's Mind Meld" effect per turn, and only once that turn.

You take no battle damage from attacks involving your co-linked monsters. Once per turn: You can activate 1 of these effects;

● Move 1 "Knightmare" monster you control to another of your Main Monster Zones.

● Switch the locations of 2 "Knightmare" monsters in your Main Monster Zones.

When this card is activated: You can target 1 Level 5 or higher monster in your GY; Special Summon it. When this card leaves the field, destroy that monster. Negate any opponent's monster effect that activates in the same column as a "Mekk-Knight" monster you control.

When your opponent activates a Spell/Trap Card, or monster effect, while you control a co-linked monster(s): Negate the activation, and if you do, destroy that card. You can only activate 1 "World Legacy's Sorrow" per turn.

Special Summon 1 "World Legacy" monster from your hand or Deck, but destroy it during the End Phase of the next turn. You can only activate 1 "World Reassembly" per turn.

Fairy / Effect

You can Tribute this Normal Summoned/Set card; add 1 EARTH Fairy monster from your Deck to your hand, except "World Soul - Carbon". If a face-up Fairy monster(s) you control is sent to the GY, while this card is in your GY (except during the Damage Step): You can place this card on top of your Deck. You can only use 1 "World Soul - Carbon" effect per turn, and only once that turn.

You can activate this card when a Field Spell Card is activated. Negate the Field Spell Card during the turn this card is activated.

Spellcaster / Effect

When this card is Special Summoned by the effect of a Spellcaster-Type monster or a "Spellbook" Spell Card: You can target 2 "Spellbook" Spell Cards in your Graveyard; add those targets to your hand. You cannot Special Summon other monsters during the turn you activate this effect. When you add card(s) to your hand by this effect: You can reveal 4 "Spellbook" Spell Cards with different names in your hand; destroy all other cards on the field.

Sea Serpent / Link / Effect

1+ Effect Monsters

You can only control 1 "Worldsea Dragon Zealantis". You can only use each of the following effects of "Worldsea Dragon Zealantis" once per turn. During your Main Phase: You can banish all monsters on the field, then Special Summon as many monsters as possible that were banished by this effect, to their owners' fields, face-up, or in face-down Defense Position. During the Battle Phase (Quick Effect): You can destroy cards on the field up to the number of co-linked monsters on the field.

Reptile / Effect

FLIP: Target 1 Spell/Trap Card on the field; destroy that target.

If you control an Insect monster: Special Summon 2 "Worm Tokens" (Insect/EARTH/Level 1/ATK 0/DEF 0). You cannot Normal or Special Summon any Level 3 or 4 monsters the turn you activate this card.

Reptile / Effect

When this card is Normal Summoned: Target 1 Defense Position monster; change that target to face-up Attack Position.

Once per turn, if your opponent controls a monster and you control no monsters, you can Special Summon 1 Reptile-Type "Worm" monster from your hand in face-down Defense Position.

Reptile / Effect

FLIP: Add 1 Level 4 or lower Reptile-Type "Worm" monster from your Deck to your hand.

Reptile / Effect

FLIP: This card gains 300 ATK and DEF.

Reptile / Normal

Once this monster wraps itself around a victim, there is no escape.

Reptile / Effect

This card cannot be Special Summoned. Once per turn, select 1 face-up Reptile-Type "Worm" monster on the field and change it to face-down Defense Position.

Reptile / Effect

FLIP: Change all face-up Reptile-Type "Worm" monsters you control to face-down Defense Position, except this card.

Reptile / Effect

Each time a face-down Defense Position monster is flipped face-up, place 1 Worm Counter on this card. This card gains 300 ATK for each Worm Counter on it.

Reptile / Effect

FLIP: When this card is flipped face-up by an opponent's monster's attack, draw 1 card.

When this card is sent from the field to the Graveyard, send 1 card from your hand to the Graveyard.

Reptile / Effect

Each time a card is Set on your side of the field, place 1 Worm Counter on this card. You can remove 2 Worm Counters from this card to select 1 card your opponent controls, and destroy it.