Enduring Scalelord, and Lithoform Engine

Prerequisites

• Enduring Scalelord in hand
• Lithoform Engine on the battlefield
• You have a way to put a +1/+1 counter on Enduring Scalelord
• available

Steps

1. Cast Enduring Scalelord by paying
2. Holding priority, activate Lithoform Engine's third ability by paying and tapping it, copying the Enduring Scalelord spell
3. Resolve both Enduring Scalelord spells
4. Put a +1/+1 counter on either Enduring Scalelord
5. The Enduring Scalelord who didn't have the counter put on it triggers, putting a +1/+1 counter on itself
6. Repeat step 5

Results

• Infinite +1/+1 counters on a creature token with haste
• Infinite +1/+1 counters on Enduring Scalelord