Activate Perilous Forays by paying {1} and sacrificing a creature, causing you to search your library for a land card with a basic land type and put it onto the battlefield tapped.
When the land enters the battlefield Lotus Cobra and each Scute Swarm you control trigger.
Resolve the Lotus Cobra trigger, adding {1}.
Resolve the Scute Swarm trigger(s), creating that many creature tokens.
Repeat.

Near-infinite creature tokens

Near-infinite creature ETB

Put all lands with a basic land type from your library onto the battlefield tapped

Perilous Forays

Scute Swarm

Lotus Cobra

Activate Perilous Forays by paying {1} and sacrificing a creature you control, searching your library for a land card with a basic land type and putting it on the battlefield untapped due to Spelunking.
When the land enters the battlefield, each Scute Swarm you control triggers, creating that many creature token(s).
Activate the land by tapping it, adding {1}.
Repeat.

Spelunking

Activate Perilous Forays by paying {1} and sacrificing Temur Charger.
When Temur Charger dies, Yedora triggers, returning Temur Charger to the battlefield face down as a Forest land.
Resolve the Perilous Forays ability, causing you to search your library for a basic land card and put it onto the battlefield tapped.
Activate Temur Charger by tapping it, adding {G}.
Activate Temur Charger's morph ability by revealing a green card from your hand, turning it face up.
Repeat.

Infinite death triggers

Infinite landfall triggers

Infinite creature LTB

Infinite creature sacrifice triggers

Put all basic lands from your library onto the battlefield tapped

Yedora, Grave Gardener

Temur Charger

Activate Perilous Forays by paying {1} and sacrificing Proteus Machine.
When Proteus Machine dies, Yedora triggers, returning Proteus Machine to the battlefield face down as a Forest land.
Resolve the Perilous Forays ability, causing you to search your library for a basic land card and put it onto the battlefield tapped.
Activate Proteus Machine by tapping it, adding {G}.
Activate Proteus Machine's morph ability by paying {0}, turning it face up.
Repeat.

Proteus Machine

Activate Perilous Forays by paying {1} and sacrificing a creature.
When the creature dies, Pitiless Plunderer triggers, creating a Treasure token.
Resolve the Perilous Forays ability, causing you to search your library for a land card with a basic land type and put it onto the battlefield tapped.
When the land enters the battlefield, each Scute Swarm you control triggers, creating that many creature token(s).
Activate the Treasure by tapping and sacrificing it, adding {1}.
Repeat.

Pitiless Plunderer

Activate Perilous Forays by paying {1} and sacrificing a creature, causing you to search your library for a land card with a basic land type and put it onto the battlefield tapped.
When the land enters the battlefield, Field of the Dead triggers, creating a creature token.
Activate Earthcraft by tapping the creature token, untapping a basic land.
Activate the land by tapping it, adding {1}.
Repeat.

Combos with "Perilous Forays"