When going second with a hand of Myrmeleo + Tekki, the standard sequence is to summon Myrmeleo in the column you want to destroy with Tekki, search for a second Myrmeleo for follow-up, and instead of making Sera, set all your traps and pass the turn
The more of something you have the more worthwhile it is building synergies around it

Card Type: Effect Monster Edition: Unlimited Level: 2 Monster Type: Aqua Name: Gishki Vanity Passcode: 93506862 Rarity: Super Rare Set: Hidden Arsenal 5: Steelswarm Invasion Related Products Naturia Exterio - HA04-EN055 - Secret Rare - 1st Edition Hidden Arsenal Near Mint, English 1 In Stock Near Mint, English 1 In Stock Near Mint, English 1 In Stock Neo Flamvell Garuda - HA04-EN034 - Super Rare - 1st Edition Hidden Arsenal Lightly Played, English 1 In Stock Lightly Played, English 1 In Stock Lightly Played, English 1 In Stock Lavalval Ignis - HA06-EN051 - Secret Rare - 1st Edition Hidden Arsenal Near Mint, English 1 In Stock Near Mint, English 1 In Stock Near Mint, English 1 In Stock Fabled Miztoji - HA03-EN005 - Super Rare - Unlimited Edition Hidden Arsenal Lightly Played, English 1 In Stock Lightly Played, English 1 In Stock Lightly Played, English 1 In Stock Gem-Knight Garnet - HA05-EN001 - Super Rare - 1st Edition Hidden Arsenal Near Mint, English 2 In Stock Near Mint, English 2 In Stock Near Mint, English 2 In Stock Lightly Played, English 1 In Stock Blessings for Gusto - HA05-EN059 - Super Rare - 1st Edition Hidden Arsenal Near Mint, English 1 In Stock Near Mint, English 1 In Stock Near Mint, English 1 In Stock Windaar, Sage of Gusto - HA05-EN042 - Super Rare - 1st Edition Hidden Arsenal Lightly Played, English 1 In Stock Lightly Played, English 1 In Stock Lightly Played, English 1 In Stock Dragunity Knight - Gae Bulg - HA03-EN057 - Secret Rare - Unlimited Edition Hidden Arsenal Near Mint, English 2 In Stock Near Mint, English 2 In Stock Near Mint, English 2 In Stock

If youre right handed, fanning out 6-7 cards where only the first letter of each card is visible could speed this up since youre only looking at letters, making your brain not read the rest of the card
I played a couple hours the first two days the game came out, but after that, my time spent playing decreased