The other three matter when the photo is poor, when the card has no art box, or when you need to separate a Shadowless card from a 1st Edition one
It requires you to run a Deck with 15 or more Predaplant monsters
It also helps to increase the synergy in blue with recent additions such as Master of Etherium and Grand Architect

Dynamite Dark Contract with the Eternal Darkness Deck Devastation Virus Destruction of Destiny Destructive Daruma Karma Cannon Dimensional Barrier Discord Evenly Matched Extinction on Schedule Ferret Flames Floowandereeze and the Dreaming Town Floowandereeze and the Scary Sea Forbidden Apocrypha Ghost Meets Girl A Masterful Mayakashi Shiranui Saga Gozen Match Grave of the Super Ancient Organism Gravity Bind Gravity Collapse Grisaille Prison Invincibility Barrier Just Desserts Kozakys Self-Destruct Button Lose 1 Turn Lucky Punch Mikanko Promise Mischief of the Gnomes Mischief of the Yokai Mispolymerization Mistake Non-Fusion Area Ojama Duo Ojama Trio Pinpoint Dash Powersink Stone Red Screen Relay Soul Ring of Destruction Rivalry of Warlords Secret Barrel Secret Blast Simul Archfiends Skill Drain Solemn Judgment Soul Drain Spiritual Fire Art Kurenai Summon Limit Stygian Dirge Synchro Zone The Monarchs Erupt There Can be Only One Transaction Rollback Tri-and-Guess True Draco Apocalypse True Kings Return Tyrants Throes Tyrants Tirade Tyrants Tummyache Wall of Revealing Light Warning Point Welcome Labrynth Limited: Imsety, Glory of Horus Mementotlan Tatsunootoshigo Tearlaments Reinoheart Geri the Runick Fangs Hugin the Runick Wings Lunalight Liger Dancer Mementomictlan Tecuhtlica Creation King Branded Fusion Branded Opening Kings Sarcophagus Super Polymerization The following loaners are available: 1 Ultimate Assault Difficulty Level 1 This Cyber Dragon Deck uses a relentless series of attacks to turn the side of battle

The second was a mechanical problem, what R&D refers to as an "A/B problem." In order to make the mechanic work, you have to have both an A part (the left side) and a B part (the right side)
Natures Lore + Three Visits These are effectively the same card, so theyre here together