Enduring Scalelord, and Splinter Twin

Prerequisites

• Enduring Scalelord on the battlefield
• Splinter Twin on the battlefield
• You have a way to put a +1/+1 counter on Enduring Scalelord
• Splinter Twin attached to Enduring Scalelord
• Enduring Scalelord does not have summoning sickness

Steps

1. Activate Enduring Scalelord by tapping it, creating a token copy of itself with haste
2. Put a +1/+1 counter on either Enduring Scalelord
3. The Enduring Scalelord who didn't have the counter put on it triggers, putting a +1/+1 counter on itself
4. Repeat step 3

Results

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