4 cards where the card is tagged “synergy-multicolor-pair”

Invasion of Ravnica // Guildpact Paragon (March of the Machine #1)
Invasion of Ravnica // Guildpact Paragon (March of the Machine #1)
Niv-Mizzet, Guildpact (Murders at Karlov Manor #220)
Niv-Mizzet Reborn (War of the Spark #208)
Niv-Mizzet, Supreme (March of the Machine: The Aftermath #40)

This search is finished. Now the real work can begin.