Halo Fountain, Incubation Druid, and Ensoul Artifact

Prerequisites

• Halo Fountain on the battlefield
• Incubation Druid on the battlefield
• Ensoul Artifact on the battlefield
• Halo Fountain and Incubation Druid do not have summoning sickness
• Incubation Druid has at least one +1/+1 counter on it
• Ensoul Artifact attached to Halo Fountain

Steps

1. Activate Incubation Druid's first ability by tapping it, adding
2. Activate Halo Fountain's second ability by paying , tapping it and untapping it and Incubation Druid, causing you to draw a card
3. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite colored mana
• Near-infinite creature tokens
• Near-infinite untap of creatures you control
• Near-infinite mana creatures you control can produce