Infinite creature ETBInfinite card drawInfinite draw triggersInfinite green manaInfinite red manaInfinite creature tokensInfinite landfall triggers
How it works
Play Gruul Turf. When it enters untapped due to Spelunking, Gruul Turf and Springheart Nantuko trigger.
Holding priority, activate Gruul Turf by tapping it, adding .
Resolve the Gruul Turf trigger, returning it from the battlefield to your hand.
Resolve the Springheart Nantuko trigger, causing you to pay 1 to create a token copy of Wayward Swordtooth.
Because of the additional Wayward Swordtooth token, you can play an additional land this turn.
Repeat.
This ingenious loop turns a simple bounce land into a massive engine by combining multiple incremental advantages. With Spelunking ensuring your lands enter the battlefield ready to use, dropping Gruul Turf triggers both its own bounce ability and Springheart Nantuko's landfall copy trigger. You can tap the Gruul Turf in response for mana to pay for the Nantuko's landfall ability, cloning Wayward Swordtooth. Thanks to Wayward Swordtooth's permission to play additional lands, you can simply replay the Gruul Turf you just returned to your hand, repeating the process to generate infinite mana, landfall triggers, and an army of dinosaur copies.