Diligent Excavator + Omni-Changeling + Thassa's Oracle + Underworld Breach
Diligent Excavator
Creature — Human Artificer
Omni-Changeling
Creature — Shapeshifter
Thassa's Oracle
Creature — Merfolk Wizard
Underworld Breach
Enchantment
Result
Combo data from Commander Spellbook.







