Activate Grafted Wargear's equip ability by paying 0, attaching it to Kin-Tree Warden.
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 Kin-Tree Warden.
When Kin-Tree Warden dies, Yedora triggers, returning Kin-Tree Warden from your graveyard to the battlefield face down as a Forest land.
When Kin-Tree Warden enters the battlefield, Sporemound ttriggers, creating a 1/1 Saproling creature token.
Activate Kin-Tree Warden by tapping it, adding .
Activate Kin-Tree Warden's morph ability by paying , turning it face up.
Repeat.
This ingenious loop turns the simple act of moving equipment into a self-sustaining engine of rebirth. By continuously re-targeting Grafted Wargear onto Kin-Tree Warden and then away from it, you force the Warden to sacrifice itself repeatedly to the Equipment's penalty clause. Each time Kin-Tree Warden dies, Yedora, Grave Gardener steps in to resurrect it directly onto the battlefield as a fresh Forest land. That land drop immediately wakes up Sporemound to spawn a Saproling token, and because the resurrected Warden retains its characteristics as a face-down creature, you can pay its morph cost to turn it face up and tap it for mana before repeating the whole cycle anew.