Confidence:StrongSolidPlausibleTentativeSpeculative

• Kessig Prowler // Sinuous Predator

  G

  Creature — Werewolf Horror // Creature — Eldrazi WerewolfG

  Synergy between the two cards.
• Sunder Shaman

  RRGG

  Creature — Giant ShamanGR

  Synergy between the two cards.
• Professional Wrestler

  3G

  Creature — Human Warrior PerformerG

  Synergy between the two cards.
• Outland Colossus

  3GG

  Creature — GiantG

  Synergy between the two cards.
• Hungering Hydra

  XG

  Creature — HydraG

  Synergy between the two cards.
• Tenacious Tosk

  3G

  Creature — Tosk RogueG

  Synergy between the two cards.
• Safewright Cavalry

  3G

  Creature — Elf WarriorG

  Synergy between the two cards.
• Vigorspore Wurm

  5G

  Creature — WurmG

  Synergy between the two cards.
• Bristling Boar

  3G

  Creature — BoarG

  Synergy between the two cards.
• The Foretold Soldier

  2GG

  Creature — Alien Zombie SoldierG

  Synergy between the two cards.
• Charging Rhino

  3GG

  Creature — RhinoG

  Synergy between the two cards.
• Ironhoof Ox

  3GG

  Creature — OxG

  Synergy between the two cards.
• Norwood Riders

  3G

  Creature — ElfG

  Synergy between the two cards.
• Stalking Tiger

  3G

  Creature — CatG

  Synergy between the two cards.
• Battlefront Krushok

  4G

  Creature — BeastG

  Synergy between the two cards.
• Krosan Vorine

  3G

  Creature — Cat BeastG

  Synergy between the two cards.
• Stone Idol Trap

  5R

  Instant — TrapR

  Both cards produce the same kind of effect (shared token subtype).
• Marketback Walker

  XX

  Artifact Creature — ConstructC

  Marketback Walker is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Ornithopter

  0

  Artifact Creature — ThopterC

  Ornithopter is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Hangarback Walker

  XX

  Artifact Creature — ConstructC

  Hangarback Walker is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Stonecoil Serpent

  X

  Artifact Creature — SnakeC

  Stonecoil Serpent is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Shield Sphere

  0

  Artifact Creature — WallC

  Shield Sphere is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Phyrexian Marauder

  X

  Artifact Creature — Phyrexian ConstructC

  Phyrexian Marauder is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Walking Ballista

  XX

  Artifact Creature — ConstructC

  Walking Ballista is a free artifact, so Urza, Chief Artificer's affinity cost drops the moment it is on the battlefield.
• Mordor Trebuchet

  2B

  Artifact Creature — WallB

  Both cards produce the same kind of effect (shared token subtype).