Agatha's Soul Cauldron, Ascendant Spirit, Devoted Druid, and Primal Vigor

Prerequisites

• Agatha's Soul Cauldron on the battlefield
• Ascendant Spirit on the battlefield
• Devoted Druid in exile
• Primal Vigor on the battlefield
• Ascendant Spirit does not have summoning sickness and is an Angel
• An opponent cannot block Ascendant Spirit

Steps

1. Activate Ascendant Spirit using Devoted Druid's first ability by tapping it, adding
2. Activate Ascendant Spirit using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it
3. Repeat three additional times
4. Activate Ascendant Spirit's third ability by paying , putting four +1/+1 counters on it and causing it to gain the listed ability
5. Repeat until the number of instances of Ascendant Spirit's gained ability is equal to your deck size
6. Move to your combat phase, and deal combat damage to an opponent using Ascendant Spirit
7. Ascendant Spirit triggers once for each instance of the gained ability it has, causing you to draw that many cards

Results

• Infinite card draw
• Infinite draw triggers