Incubation Druid + Umbral Mantle + Mana Reflection

Prerequisites

• Umbral Mantle attached to Incubation Druid.
• Incubation Druid does not have summoning sickness.
• Incubation Druid has at least one +1/+1 counter on it.

Steps

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

Effects

• Infinite mana creatures you control can produce
• Infinite mana lands you control can produce
• Infinite untap of creatures you control
• Infinitely large creature until end of turn