Toph, the First Metalbender, Manascape Refractor, and Lost Jitte

Prerequisites

• Toph, the First Metalbender on the battlefield
• Manascape Refractor on the battlefield
• Lost Jitte on the battlefield

Steps

1. Activate Manascape Refractor using a Spacecraft or Planet's station ability by tapping a nontoken creature with power 2 or greater, putting that many charge counters on Manascape Refractor
2. Activate Manascape Refractor twice using Lost Jitte's ability by removing two charge counters from it, untapping the creature tapped in step 1
3. Repeat

Results

• Infinite mana lands you control can produce
• Infinite mana artifacts you control can produce
• Infinite +1/+1 counters
• Infinite untap of lands you control
• Infinite untap of artifacts you control