Incubation Druid, Umbral Mantle, and Mana Reflection

Prerequisites

• Incubation Druid on the battlefield
• Umbral Mantle on the battlefield
• Mana Reflection on the battlefield
• undefined

Steps

1. Activate Incubation Druid's first ability by tapping it, adding six mana of any color a land you control could produce
2. Activate Incubation Druid by paying and untapping it, giving itself +2/+2 until end of turn
3. Repeat

Results

• Infinitely large Incubation Druid until end of turn
• Infinite mana lands you control can produce
• Infinite power for a creature until end of turn