The star is Kiyonaga, Seeker of the Five Rings. It combines Blocker, Mach Fighter, Just Diver, and Double Breaker, but its main is the attack-trigger cheat ability: "when it attacks, turn the top 3 of your deck face-up, and if they're all different costs, use any number of cost 9 or less elements among them for free (the rest go to mana)."
At first glance it seems hard to vary the costs, but this is where Twinpact cards shine. Since different costs are printed on top and bottom, you can choose advantageously which side's cost to use for the revealed cards (e.g., even if two of the same creature are revealed, treat one as its spell-side cost to make them "all different costs"). By running many Twinpacts, it's a dream deck that reliably lands big deployment from Kiyonaga to win.
Accelerate to 6 mana with mana boost spells (Twinpact spell sides) → land Kiyonaga, Seeker of the Five Rings (safe with Just Diver) → cheat up to 3 creatures with the 3-card reveal while attacking an opponent creature → if Akashic Zenon is involved, Twinpacts become Speed Attackers and you can use their spell sides to accelerate → win with shield burn via Elizabeth, Thunder Dragon Princess's Invincible Cataclysm, or a mass break with Kingdom Ohkabuto.
| Creatures | 8 |
| Twinpact Cards | 32 |
| Total | 40 |
Role: The main engine
Blocker, Mach Fighter, Just Diver, Double Breaker. When it attacks, turn the top 3 of your deck face-up, and if all different costs, use any number of cost 9 or less elements among them for free (the rest to mana). Just Diver permits "just placing it for now," and at power 8500 it's hard to destroy. Even on a miss, everything goes to mana, so you can ramp and hard-cast large creatures.
Role: Turns Twinpacts into attack weapons
Double Breaker. When it enters, 1 boost if you have a Twinpact creature. Grants Speed Attacker to all your Twinpact creatures. Once per turn, when a Twinpact creature attacks, cast its spell side for free. If this comes out of Kiyonaga's cheat, the lined-up Twinpacts can attack immediately and you accrue more advantage with spell sides.
Role: Killer combo + removal
The creature side is Mach Fighter, Triple Breaker; when it enters / when you cast the Trap spell, put a Nature cost 6 or less creature from hand/mana into play. The spell side Natural Trap is a Shield Trigger that sends one opponent to mana. Combo: when it enters, put Akashic Zenon out from mana → being a Twinpact it's a Speed Attacker → on attack, cast Natural Trap via Akashic Zenon's effect (can be cast even with no opponent creature) → "when you cast the Trap spell" triggers and puts out another Nature cost 6 or less → putting out Kiyonaga, Seeker of the Five Rings chains it.
Role: Finisher (shield burn)
The creature side is a bonus (grant Shield Trigger to spells added from your shields to hand). The main is the spell side Invincible Cataclysm, which puts up to 3 opponent shields into the graveyard (without letting them use Shield Triggers and without growing their hand). Swinging with this creature while Akashic Zenon is present blows away 3 shields. Being "cost 5/13," it's also strong that cost overlap rarely happens in Kiyonaga's 3-card reveal.
Role: Comeback trump card + full deployment from mana
The creature side is Mach Fighter, Triple Breaker + Hatengo (break 9 opponent shields on a battle win). At cost 9, it's Kiyonaga's upper limit. The spell side Gouhaten Tsukumogatari has each player put all creatures out from mana (when-it-enters effects ignored). In this mana-rich deck, if the opponent's mana has no disruption, combined with Akashic Zenon's Speed Attacker you can push through at once.
Role: Early boost + draw
The creature side draws 2 when it enters. The spell side Original Life is a 2-mana boost. The flexibility of Twinpacts — Original Life on turn 2, Wakumuterasu, Blue Wolf of Abundance on turn 4 — is a strength. You also want to put it out to meet Akashic Zenon's boost condition (a Twinpact creature on the field).
Role: Early boost + mana color fixing + defense
The creature side, when it enters, 1 boost + turn mana into all civilizations (an important effect that makes 3-color main creatures easy to put out) + untap cards placed from hand into mana. The spell side is a Shield Trigger that returns all cost 5 or more creatures to hand (when Kiyonaga's cheat is poor, casting it via Akashic Zenon to return Kiyonaga too and re-deploy with Just Diver next turn is an option).
Role: Early boost + deployment from mana
The main is the spell side Hazard Pact, a mana boost that barely reduces your hand (draw 1 if a Twinpact is placed). The creature side is a Mach Fighter; when it enters, put Twinpacts from the graveyard into mana, and on attack, put a creature from mana of cost smaller than your mana-zone Twinpact count into play (calling back Kiyonaga, Seeker of the Five Rings or Akashic Zenon buried in mana).
Role: Removal / G-Strike soak + defense
The creature side draws the opponent's choices to itself, soaking not only removal but G-Strikes too, crippling the opponent's defense cards (perfect for this attacking deck). With Mega Last Burst, use the spell side Dokidoki Spiral when it leaves (return one opponent to hand + draw 1). Just putting it out gains you the advantage.
Role: Disruption + draw, or a defensive trigger
The creature side makes all opponent creatures unable to attack on a turn the opponent put out a creature (only the creatures on the field at that point are targets; ones put out later can attack), and draws 2 when the opponent casts a spell. The spell side Eyed Wise Shutter is a Shield Trigger that freezes 2 opponents. It's heavy, so mainly cheat it from Kiyonaga.
Role: Removal + early boost
The creature side (Triple Breaker), when it enters, sends one opponent to mana (remove a troublesome creature revealed by Kiyonaga). The spell side Longrun Hit is a 2-mana boost. It contributes to stability as the 5th or later mana boost spell to put out Kiyonaga early.
Role: Spell lock
Revolution Change from a Light/Water Dragon (from Elizabeth, Thunder Dragon Princess or Medicalar Cobalt Kaiser). When it enters, the opponent can't cast spells until the end of their next turn, sealing Shield Trigger spells to attack in safely. Ideal if you can put it out from Kiyonaga. The spell side has the synergy of casting it via Akashic Zenon to clear opponent Blockers with Eyed Wise Shutter or Dokidoki Spiral.
Accelerate to 6 mana with a mass of mana boost spells (each Twinpact's spell side). Above all, nothing starts until you put out Kiyonaga, Seeker of the Five Rings. Since Wakumuterasu, Blue Wolf of Abundance also handles draw, choose which side is advantageous to use.
Once you land Kiyonaga, Seeker of the Five Rings, attack an opponent creature while doing the 3-card reveal for mass cheating. You may choose Twinpact cost references advantageously. Line up to 3 at once to gain board advantage. If Akashic Zenon is revealed, attack with a Twinpact put out alongside it and widen the advantage from spell sides.
Chain the Akashic Zenon + Na Turalgo Danger combo (Akashic Zenon when it enters → Natural Trap on attack → deploy more Nature cost 6 or less). The finish is the near-unstoppable shield burn of Elizabeth, Thunder Dragon Princess's Invincible Cataclysm, or the mass break of Kingdom Ohkabuto. The longer it drags on, the more this deck — with its one-shot kill moves — is favored.
A dream-and-romance Twinpact deck that leverages Twinpact cost references to reliably land Kiyonaga, Seeker of the Five Rings's cheat, and wins from big deployment via Invincible Cataclysm's shield burn and the like. Its weaknesses are cheat meta and color accidents. Any card up to cost 9 is within adoption range, with the depth to pursue a deck all your own.