Necrotic Ooze, Devoted Druid, and Soul Diviner

Prerequisites

• Necrotic Ooze on the battlefield
• Devoted Druid in the graveyard
• Soul Diviner in the graveyard
• Necrotic Ooze does not have summoning sickness

Steps

1. Activate Necrotic Ooze by putting a -1/-1 counter on it, untapping it
2. Activate Necrotic Ooze by tapping it and removing a -1/-1 counter from it, causing you to draw a card
3. Repeat

Results

• Infinite card draw