Kaya the Inexorable, Ashnod's Altar, Felidar Guardian, and Earthcraft

Prerequisites

• Kaya the Inexorable on the battlefield
• Ashnod's Altar on the battlefield
• Felidar Guardian on the battlefield
• Earthcraft on the battlefield
• Kaya's loyalty abilities have not been used this turn
• You control at least 1 basic land that can produce

Steps

1. Activate Kaya's +1 loyalty ability to put a Ghostform Counter on Felidar Guardian
2. Tap Felidar Guardian to untap your basic land
3. Tap the basic land for
4. Sacrifice Felidar Guardian to Ashnod's Altar to add
5. Felidar Guardian is returned to your hand, and you create a 1/1 Spirit creature token
6. Tap the Spirit token to untap the basic land
7. Tap the basic land for
8. Sacrifice the Spirit token for
9. Cast Felidar Guardian
10. When Felidar Guardian enters the battlefield, exile Kaya and return her to the battlefield
11. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count