Dual Casting, and Traitorous Greed

Prerequisites

• Dual Casting on the battlefield
• Traitorous Greed in hand
• Dual Casting attached to a creature without summoning sickness you control
• available

Steps

1. Cast Traitorous Greed with any target and hold priority
2. Activate the enchanted creature by paying and tapping it, copying Traitorous Greed and targeting the enchanted creature with the copy
3. Resolve the spell copy, untapping enchanted creature and adding
4. Repeat from step 2

Results

• Infinite colored mana
• Infinite magecraft triggers