Fathom Mage + Heliod, Sun-Crowned + Horizon Chimera

Prerequisites

• Fathom Mage's power is 2 or less.

Steps

1. 1Cast Horizon Chimera by paying .
2. 2Horizon Chimera enters the battlefield, triggering Fathom Mage.
3. 3Resolve Fathom Mage's trigger, putting a +1/+1 counter on Fathom Mage and drawing a card.
4. 4Horizon Chimera triggers, gaining you 1 life.
5. 5Heliod triggers, putting a +1/+1 counter on Fathom Mage.
6. 6Repeat from step 3.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite lifegain
• Near-infinite lifegain triggers