First of all, lets start with three decks: Blastoise/Keldeo- EX (BK), Landorus- EX /Mewtwo EX (LM), and Rayquaza EX /Eels (RE)
After all, what is Commander for if not trying to survive a whole turn cycle with Emrakul, the Promised EndEmrakul, the Promised End in play, thirteen cards in hand, and an on-board win that your opponents know about and can react to
Each player's deck must have a minimum of 40 cards in it
Cards like Soul Warden , Serra Ascendant , or even incidental lifelink turn this into a snowball thats hard to stop once it starts

CARD LIST: SUDA-JP000 "Paladins of Bonds and Unity" SUDA-JP001 "Evil HERO Toxic Bubble" SUDA-JP002 "Evil HERO Doom Prison" SUDA-JP003 "Evil HERO Infernal Rider" SUDA-JP004 "Arcana Force V - The Hierophant" SUDA-JP005 "Arcana Force XIX - The Sun" SUDA-JP006 "Speedroid Clackernel" SUDA-JP007 "Speedroid Wing Synchron" SUDA-JP008 "Azamina Elzette of the White Forest" SUDA-JP009 "Queen of the Azamina" SUDA-JP010 "ARGS - Adra the Laurels" SUDA-JP011 "Materiactor Exarept" SUDA-JP012 "Materiactor Zeptowing" SUDA-JP013 "Jet Shark" SUDA-JP014 "Metal Flame Swordsman" SUDA-JP015 "Primite Another Beryl" SUDA-JP016 "Poseidra, the Rumbling Atlantean" SUDA-JP017 "Gladiator Beast Magister" SUDA-JP018 "Test Bear" SUDA-JP019 "Crystron Tristalos" SUDA-JP020 "Crystron Sulfudhole" SUDA-JP021 "Tenyi Spirit - Surya" SUDA-JP022 "Dark Sea Serpent - Dryagle" SUDA-JP023 "Liberator Etho" SUDA-JP024 "Great Knight of the Red Lotus" SUDA-JP025 "Mulcharmy Nyalus" SUDA-JP026 "Hallo, the Spirit of Tricks" SUDA-JP027 "Ween, the Spirit of Treats" SUDA-JP028 "Template Skipper" SUDA-JP029 "Goddess of Duality" SUDA-JP030 "Tempura of Chance - EBI" SUDA-JP031 "Evil HERO Neos Lord" SUDA-JP032 "Evil HERO Inferno Wing - Infernal Backlash" SUDA-JP033 "Evil HERO Dark Knight" SUDA-JP034 "Arcana Force EX - The Chaos Ruler" SUDA-JP035 "Snake-Eyes Damned Dragon" SUDA-JP036 "St

Aside from that, this card requires you to pay 1,000 LP to attack with it, which can be a problem if you play it late in a duel