25th Anniversary Tin: Dueling Heroes Mega Pack

FLIP: You can add 1 "Krawler" monster from your Deck to your hand.
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Receptor". You can only use each effect of "Krawler Receptor" once per turn.

Krawler Receptor

Power of the Elements

You can target 1 face-up monster you control; Special Summon this card from your hand, and if you do, change the targeted monster to face-down Defense Position, also it cannot change its battle position for the rest of this turn. During your Main Phase: You can reduce this card's Level by 2 or 4, and if you do, Special Summon "Krawler" monster(s) with different names from your hand, Deck, or GY whose total Levels equal the amount reduced, in face-up and/or face-down Defense Position. You can only use each effect of "Krawler Soma" once per turn.

Krawler Soma

2019 Gold Sarcophagus Tin Mega Pack

Special Summon this card as an Effect Monster (Insect/EARTH/Level 2/ATK 300/DEF 2100). (This card is also still a Trap.) If this card is Special Summoned by this effect to a zone a Link Monster points to: You can add 1 "World Legacy" card from your Deck to your hand.

Crusadia Krawler

Excavate the top 5 cards of your Deck, and if you do, add 1 excavated "Krawler" monster or "World Legacy" card to your hand, also send the remaining cards to the GY. Otherwise, shuffle all excavated cards into the Deck. For the rest of this turn after this card resolves, you cannot Special Summon monsters from the Extra Deck, except Link Monsters. You can only activate 1 "World Legacy Survivor" per turn.

World Legacy Survivor

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.

World Legacy's Mind Meld

Dark Neostorm Special Edition

When your opponent activates a card or effect that targets this face-down monster (Quick Effect): You can change this card to face-up Defense Position; negate the activation, and if you do, destroy that card. After this card was flipped face-up, while it is in the Monster Zone, negate all monster effects activated on your opponent's field. If this card on the field is destroyed by battle or card effect: You can add, from your Deck to your hand, 1 Level 9 monster with a different original Type and Attribute than this card. You can only use this effect of "Deus X-Krawler" once per turn.

Deus X-Krawler

2018 Mega-Tin Mega Pack

You can target 1 face-down monster you control; change it to face-up Attack or Defense Position. You can shuffle 1 "Krawler" monster from your GY into the Main Deck, then target 1 face-up monster you control; change it to face-down Defense Position. You can only use 1 "World Legacy Pawns" effect per turn, and only once that turn.

World Legacy Pawns

Circuit Break Special Edition

FLIP: You can target 1 Spell/Trap on the field; destroy it.
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Axon". You can only use each effect of "Krawler Axon" once per turn.

Krawler Axon

FLIP: You can send 1 monster from your Deck to the GY.
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Dendrite". You can only use each effect of "Krawler Dendrite" once per turn.

Krawler Dendrite

FLIP: You can Special Summon 1 "Krawler" monster from your hand or GY, in face-up Attack Position or face-down Defense Position, except "Krawler Glial".
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Glial". You can only use each effect of "Krawler Glial" once per turn.

Krawler Glial

FLIP: You can target up to 2 "Krawler" monsters in your GY; add them to your hand.
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Ranvier". You can only use each effect of "Krawler Ranvier" once per turn.

Krawler Ranvier

FLIP: You can target 1 monster on the field; destroy that monster.
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Spine". You can only use each effect of "Krawler Spine" once per turn.

Krawler Spine

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.

World Legacy in Shadow

2 Insect monsters
"Krawler" monsters this card points to cannot be destroyed by battle, gain 300 ATK/DEF, and if they battle your opponent's monster, any battle damage they inflict to your opponent is doubled. If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in face-down Defense Position.

X-Krawler Neurogos

2 "Krawler" monsters
If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in face-down Defense Position. Apply these effects based on the number of "Krawler" monsters you control.
● 2+: All monsters you control gain 300 ATK/DEF.
● 4+: Your opponent's cards and effects cannot be activated during the Battle Phase.
● 6+: Your monsters can attack directly.

X-Krawler Qualiark

2 EARTH monsters
"Krawler" monsters this card points to cannot be destroyed by battle, gain 300 ATK/DEF, and can make up to 2 attacks on monsters during each Battle Phase. If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in face-down Defense Position.