• Multiversal IncursionSecluded SteppeMana Base−$1.21

  Targets weakness: Not enough White sources

  Fixes "Not enough White sources": You have 26 White pips but only 18 sources. Frank Karsten's math wants about 26 to cast your White spells on time 90% of the games. Secluded Steppe adds White mana sources directly against that gap, and Multiversal Incursion is the least productive card in the list at 7 mana, so cutting it costs you nothing.

• Iron Man, Bleeding EdgeLonely SandbarMana Base−$2.95

  Targets weakness: Not enough Blue sources

  Fixes "Not enough Blue sources": You have 22 Blue pips but only 17 sources. Frank Karsten's math wants about 26 to cast your Blue spells on time 90% of the games. Lonely Sandbar adds Blue mana sources directly against that gap, and Iron Man, Bleeding Edge is the least productive card in the list at 5 mana, so cutting it costs you nothing.

• Frozen in IceForgotten CaveMana Base+$0.17

  Targets weakness: Not enough Red sources

  Fixes "Not enough Red sources": You have 11 Red pips but only 17 sources. Frank Karsten's math wants about 24 to cast your Red spells on time 90% of the games. Forgotten Cave adds Red mana sources directly against that gap, and Frozen in Ice is the least productive card in the list at 3 mana, so cutting it costs you nothing.

• Captain America, Living LegendGenerous GiftInteraction+$0.46

  Targets weakness: Light on interaction

  Fixes "Light on interaction": Only 4 answers across the deck. You will struggle against decks that resolve a key threat before you. Generous Gift adds targeted interaction directly against that gap, and Captain America, Living Legend is the least productive card in the list at 3 mana, so cutting it costs you nothing.

• Captain America, Wings of FreedomWrath of GodInteraction+$3.66

  Targets weakness: Light on interaction

  Fixes "Light on interaction": Only 4 answers across the deck. You will struggle against decks that resolve a key threat before you. Wrath of God adds board wipes directly against that gap, and Captain America, Wings of Freedom is the least productive card in the list at 3 mana, so cutting it costs you nothing.

• Arc ReactorThought VesselUpgrade

  Thought Vessel plays the same ramp role as Arc Reactor for 2 mana instead of 5, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• Iron Man, Master of MachinesSolemn SimulacrumUpgrade+$0.03

  Solemn Simulacrum plays the same card draw role as Iron Man, Master of Machines with a stronger effect, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• Trophy MageKnight of the White OrchidUpgrade+$3.37

  Knight of the White Orchid plays the same tutor role as Trophy Mage for 2 mana instead of 3, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• The Mighty Thor, Jane FosterEsper SentinelUpgrade+$58.93

  Esper Sentinel plays the same card draw role as The Mighty Thor, Jane Foster for 1 mana instead of 3, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• Sword of Light and ShadowMyr RetrieverUpgrade−$10.59

  Myr Retriever plays the same recursion role as Sword of Light and Shadow for 2 mana instead of 3, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• Celestial ArmorDarksteel CitadelUpgrade+$3.38

  Darksteel Citadel plays the same protection role as Celestial Armor for 0 mana instead of 3, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• Captain America's ShieldShadowspearUpgrade+$32.37

  Shadowspear plays the same protection role as Captain America's Shield for 1 mana instead of 2, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

• Mana TithePact of NegationUpgrade+$16.27

  Pact of Negation plays the same counterspell role as Mana Tithe for 0 mana instead of 1, and it's a far more widely played card in that slot, so the swap keeps your plan intact and raises the ceiling.

No known two- or three-card combos are fully assembled in this list yet.

• Kiki-Jiki + Zealous ConscriptsGame-winningInfinite hasty attackers

  Copy Conscripts with Kiki, untap Kiki with the copy, repeat for infinite hasty bodies — lethal immediately.

  In deck: Kiki-Jiki, Mirror BreakerAdd: Zealous Conscripts · $0.33Cut candidates: Blasphemous Act
• Kiki-Jiki + Combat CelebrantGame-winningInfinite combat steps

  Copy Celebrant, exert the copy for an extra combat, untap Kiki, loop until every opponent is dead.

  In deck: Kiki-Jiki, Mirror BreakerAdd: Combat Celebrant · $1.63Cut candidates: Multiversal Incursion

• Deck has 99 cards; Commander expects exactly 100.

Every card is legal and within the deck's color identity.