Activate Grafted Wargear's equip ability by paying 0, attaching it to Birchlore Rangers.
If Grafted Wargear was attached to a creature, it triggers, causing you to sacrifice the creature it was attached to.
Activate Grafted Wargear's equip ability by paying 0, attaching it to another creature.
Grafted Wargear triggers, causing you to sacrifice Birchlore Rangers.
When Birchlore Rangers dies, Yedora triggers, returning Birchlore Rangers from your graveyard to the battlefield face down as a Forest land.
When Birchlore Rangers enters the battlefield, Greensleeves triggers, creating a 3/3 Badger creature token.
Activate Birchlore Rangers by tapping it, adding .
Activate Birchlore Rangers' morph ability by paying , turning it face up.
Repeat.
This ingenious loop uses Grafted Wargear's zero-cost equip ability to repeatedly unattach and sacrifice Birchlore Rangers, triggering its demise over and over. Thanks to Yedora, Grave Gardener, every time Birchlore Rangers hits the graveyard it returns straight to the battlefield as a face-down Forest land. That land drop causes Greensleeves, Maro-Sorcerer to flood the board with 3/3 Badger creature tokens, while the newly reborn Birchlore Rangers can tap itself to pay for its own morph cost, turning face-up to restart the cycle.