Put a +1/+1 counter on a creature you control.
Moss-Pit Skeleton triggers, putting it from your graveyard onto the top of your library.
Kheru Goldkeeper triggers, creating a Treasure token.
When the Treasure enters the battlefield, Transplant Theorist and Cloakwood Swarmkeeper trigger.
Resolve the Transplant Theorist trigger, drawing Moss-Pit Skeleton from your library, and then discarding it.
Resolve the Cloakwood Swarmkeeper trigger, putting a +1/+1 counter on it.
Repeat from step 2.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite artifact tokens

Infinite creature ETB

Infinite colored mana

Infinite self-discard triggers

Infinite draw triggers

Infinite Treasure tokens

Infinite +1/+1 counters on a creature

Moss-Pit Skeleton

Kheru Goldkeeper

Cloakwood Swarmkeeper

Transplant Theorist

Put a +1/+1 counter on a creature you control.
Moss-Pit Skeleton triggers, putting it from your graveyard onto the top of your library.
Kheru Goldkeeper triggers, creating a Treasure token.
When the Treasure enters the battlefield, Skyswimmer Koi and Cloakwood Swarmkeeper trigger.
Resolve the Skyswimmer Koi trigger, drawing Moss-Pit Skeleton from your library, and then discarding it.
Resolve the Cloakwood Swarmkeeper trigger, putting a +1/+1 counter on it.
Repeat from step 2.

Skyswimmer Koi

Put a +1/+1 counter on a creature you control.
Moss-Pit Skeleton triggers, putting it from your graveyard onto the top of your library.
Kheru Goldkeeper triggers, creating a Treasure token.
When the Treasure enters the battlefield, Rook Turret and Cloakwood Swarmkeeper trigger.
Resolve the Rook Turret trigger, drawing Moss-Pit Skeleton from your library, and then discarding it.
Resolve the Cloakwood Swarmkeeper trigger, putting a +1/+1 counter on it.
Repeat from step 2.

Rook Turret

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