You have at least two lands between the battlefield and your graveyard.
You have a land card in hand.
You are able to play a land this turn.
Mana Needed
({1} magic symbol) ({G} magic symbol) available.
Steps
Play any land.
When the land enters the battlefield,
Springheart Nantuko triggers.
Holding priority, activate
Troubled Healer by sacrificing a land.
Repeat step 3 until you control no lands.
Resolve the
Springheart Nantuko trigger, causing you to pay ({1} magic symbol) ({G} magic symbol) to create a token copy of
Lumra.
Put the token
Lumra into your graveyard due to the legend rule.
The
Lumra token's enter-the-battlefield ability triggers, causing you to mill four cards and returning all lands from your graveyard to the battlefield tapped.
When the lands enter the battlefield,
Springheart Nantuko and
Tireless Provisioner trigger that many times.
Resolve all
Tireless Provisioner triggers, creating at least two Treasure tokens, and then an additional Clue or Treasure token for each remaining trigger.
Holding priority, activate two Treasures by tapping and sacrificing them, adding ({1} magic symbol) ({G} magic symbol) .
Resolve all but one
Springheart Nantuko trigger, choosing not to pay and creating that many 1/1 Insect creature tokens.
Repeat from step 3.
Results
Infinite LTB.
Infinite ETB.
Infinite death triggers.
Infinite self-mill.
Infinite landfall triggers.
Infinite mana lands you control can produce.
Infinite untap of lands you control.
Infinite colored mana.
Put all land cards from your library and graveyard onto the battlefield tapped.