op-13 booster box ONE PIECE TCG: Japanese Pack (X8 PACKS) and Sabo return as new Leader ca OP-13 Case Opening 12x Booster

The ability to look at the top card of your library at any time is already strong, but Glarb takes it further because it lets you play lands and cast big spellsmana value 4 or greaterright off the top

You make an even shiner version

And upon seeing the artwork, it is quite easy to understand why

C Common Fabled Dianaira X LIGHT Level 8 [ FiendEffect ] ATK 2800 DEF 100 You can Tribute Summon this card in face-up Attack Position by Tributing 1 "Fabled" monster

I think I like Duress since discard can pave the way for your easy quick wins combined with the pressure you can put on the board

So where would Black's weaknesses be