Yedora, Grave Gardener, Grafted Wargear, Birchlore Rangers, and Sporemound

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Grafted Wargear on the battlefield
• Birchlore Rangers on the battlefield
• Sporemound on the battlefield
• You control at least one additional creature that does not have Grafted Wargear attached

Steps

1. Activate Grafted Wargear's equip ability by paying , attaching it to Birchlore Rangers
2. If Grafted Wargear was attached to a creature, it triggers, causing you to sacrifice the creature it was attached to
3. Activate Grafted Wargear's equip ability by paying , attaching it to another creature
4. Grafted Wargear triggers, causing you to sacrifice Birchlore Rangers
5. When Birchlore Rangers dies, Yedora triggers, returning Birchlore Rangers from your graveyard to the battlefield face down as a Forest land
6. When Birchlore Rangers enters the battlefield, Sporemound ttriggers, creating a 1/1 Saproling creature token
7. Activate Birchlore Rangers by tapping it, adding
8. Activate Birchlore Rangers' morph ability by paying , turning it face up
9. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers