Lae'zel, Vlaakith's Champion, Master Chef, Rosie Cotton of South Lane, Crystalline Crawler, and Ooze Flux

Prerequisites

• Lae'zel, Vlaakith's Champion on the battlefield
• Master Chef on the battlefield
• Rosie Cotton of South Lane on the battlefield
• Crystalline Crawler on the battlefield
• Ooze Flux on the battlefield
• Your commander on the battlefield
• You have at least one +1/+1 counter on a creature you control
• available

Steps

1. Activate Ooze Flux by paying and removing a +1/+1 counter from a creature you control, creating a 1/1 Ooze creature token, which will enter the battlefield with two +1/+1 counters due to Lae'zel and Master Chef
2. Rosie Cotton of South Lane triggers, putting two +1/+1 counters on Crystalline Crawler due to Lae'zel
3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding
4. Repeat

Results

• Infinite +1/+1 counters on all Ooze tokens created
• Infinite creature tokens
• Infinite ETB