yugioh forbidden memories card drop formula Yu-Gi-Oh! and until the end of this turn Invigoration (FMR) - Yugipedia

Roiling Dragonstorm does a neat job of sculpting your hand with card selection and provides additional cards at a sweet spot in the mana curve

Otherwise, having both Mudora and Keldo in the GY can serve both as GY disruptions against your opponent, or just recycling cards for yourself

So in order to keep up the Tool Drops, you need to stream Energy or move it around from one Trubbish to the next so that you can keep attacking and nothing does this better than Exp

Upgrade the mana base : First with cheap duals, then better rocks and lands

Selling into a spike can be smart if you have spares

: Add an amount of equal to the number of time counters on this artifact