Inexorable Tide, Crystalline Crawler, Workhorse, and Kor Skyfisher

Prerequisites

• Inexorable Tide on the battlefield
• Crystalline Crawler on the battlefield
• Workhorse on the battlefield
• Kor Skyfisher in hand
• Crystalline Crawler and Workhorse each have at least one +1/+1 counter on them
• available

Steps

1. Cast Kor Skyfisher by paying
2. Inexorable Tide triggers, putting a +1/+1 counter on Workhorse and Crystalline Crawler
3. When Kor Skyfisher enters the battlefield, it triggers, returning itself from the battlefield to your hand
4. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
5. Activate Workhorse by removing a +1/+1 counter from it, adding
6. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite storm count