Temur Sabertooth, Gaea's Cradle, Great Oak Guardian, and Forensic Researcher

Prerequisites

• Temur Sabertooth on the battlefield
• Gaea's Cradle on the battlefield
• Great Oak Guardian on the battlefield
• Forensic Researcher on the battlefield
• Forensic Researcher does not have summoning sickness
• You control at least five other creatures

Steps

1. Activate Gaea's Cradle by tapping it, adding at least eight
2. Activate Temur Sabertooth by paying , returning Great Oak Guardian to your hand
3. Cast Great Oak Guardian by paying
4. When Great Oak Guardian enters, it triggers itself, untapping all creatures you control and giving them +2/+2 until end of turn
5. Activate Forensic Researcher's first ability by tapping it, untapping Gaea's Cradle
6. Repeat
7. If you control nine or more creatures, this combo will net infinite green mana, which you then may activate Temur Sabertooth any number of times and recast any creatures castable with green mana any number of times, effectively "blinking" your green creatures any number of times
8. You may also activate Forensic Researcher any number of times

Results

• Infinite blinking of green creatures
• Infinite ETB
• Infinite green mana
• Infinite LTB
• Infinite storm count
• Infinite mana creatures you control can produce
• Infinitely large creatures until end of turn
• Infinite untap of creatures you control
• Infinite untap of lands you control
• Infinite mana lands you control can produce
• Infinitely large creatures you control until end of turn