Ghired, Mirror of the Wilds, Great Oak Guardian, and Electroduplicate

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Great Oak Guardian on the battlefield
• Electroduplicate in hand
• available

Steps

1. Cast Electroduplicate by paying , creating a token copy of Great Oak Guardian with haste
2. When the Great Oak Guardian token enters the battlefield, it triggers, untapping all creatures you control and giving them +2/+2 until end of turn
3. Activate Ghired by tapping it, creating a copy of the Great Oak Guardian token
4. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens with haste
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinitely large creatures you control until end of turn