Xavier Sal, Infested Captain, Intruder Alarm, Phylath, World Sculptor, and Staff of Titania

Prerequisites

• Xavier Sal, Infested Captain on the battlefield
• Intruder Alarm on the battlefield
• Phylath, World Sculptor on the battlefield
• Staff of Titania on the battlefield
• You control a Plant
• You control at least one Forest Dryad token
• Xavier Sal does not have summoning sickness
• There is a removable counter on a permanent you control

Steps

1. Activate Xavier Sal by tapping it and removing a counter from a permanent you control, creating a token copy of the Forest Dryad token
2. When the Forest Dryad enters the battlefield, Intruder Alarm and Phylath trigger
3. Resolve the Phylath trigger, putting four +1/+1 counters on a Plant you control
4. Resolve the Intruder Alarm trigger, untapping all creatures
5. Repeat

Results

• Infinite ETB
• Infinite creature tokens
• Infinite untap of all creatures
• Infinite mana creatures you control can produce
• Infinite Forest tokens
• Infinite landfall triggers
• Infinite +1/+1 counters on Plants you control