Main Deck (46)
(your odds of drawing at least one monster in your opening hand with a 46 card deck is 90%. If you have a 40 card deck, it's 94%. I feel like the trade-off is acceptable.)
https://media.discordapp.net/attachments/496858031514976270/579117583240921088/unknown.png
https://media.discordapp.net/attachments/496858031514976270/579117805073334304/unknown.png

Monsters (16):
2 Krawler Dendrite
1 Krawler Ranvier
3 Krawler Receptor
3 Krawler Glial
2 Krawler Axon
3 Krawler Spine

1 Morphing Jar (for memes)
1 Glow-Up Bloom

Spells (13)

3 World Legacy Survivor
3 World Legacy in Shadow

2 Terraforming
2 Worm Bait
3 Twin Twisters

Traps (17)

3 World Legacy's Mind Meld
3 World Legacy Pawns

1 Metaverse (sneaky Shadows plays)
2 Trap Trick (mainly for Mind Meld)
3 Lost Wind (negations)
3 Solemn Strike (negations)
2 Storming Mirror Force (protect your field advantage)

Extra Deck (15)

9 non-Krawlers
2 Krawler Qualiark
2 Krawler Neurogos
2 Krawler Synaphysis