yugioh the sacred cards emulator [Android][ARMV8] Limbo PC v6.0.0 - Yu-Gi-Oh!: Power of Chaos Yu-Gi-Oh! The Sacred Cards (2003)

This can increase your chances of getting most Kanto cards for free

That's not too effective on its own, but if you can get a couple of Dugtrio (a Dugsextuple) onto the field at once and start stacking the power, it adds up fast

Alternative apps include Alt and Card Ladder

Easily the most flexible card on this list

This is the rarest pull in any OPTCG product released to date

Some popular inclusions in an Esika, God of the Tree // The Prismatic Bridge deck might be: Oath of Teferi Nicol Bolas, Dragon-God Commodore Guff Carth the Lion Ripples of Potential 18 Shorikai, Genesis Engine ($4.64 Market Price on TCGPlayer) Crew Gigantic Vehicles While Refilling Your Hand Shorikai, Genesis Engine is the most popular Commander for the vehicles strategy, which sees decks play the powerful artifacts (and creatures, when crewed) alongside enablers like cheap creatures to crew them and synergistic removal and disruption