Morphling, Illusionist's Bracers, and Cryptolith Rite

Prerequisites

• Morphling on the battlefield
• Illusionist's Bracers on the battlefield
• Cryptolith Rite on the battlefield
• Illusionist's Bracers attached to Morphling
• Morphling does not have summoning sickness

Steps

1. Activate Morphling by tapping it, adding
2. Activate Morphling's first ability by paying
3. Illusionist's Bracers triggers, copying Morphling's ability
4. Resolve the copy of Morphling's ability, untapping it
5. Activate Morphling by tapping it, adding one mana of any color
6. Resolve Morphling's ability from step 2, untapping it
7. Repeat

Results

• Infinite colored mana