Ioreth of the Healing House + Forensic Researcher + Card with "The Ring tempts you"

Prerequisites

• Ioreth and Forensic Researcher do not have summoning sickness.
• There is another legendary creature on the battlefield.
• Card with "The Ring tempts you"

Steps

1. 1If Forensic Researcher is not your Ring-bearer, use the card that causes the Ring to tempt you to cause Forensic Researcher to become your Ring-bearer, thus making it legendary.
2. 2Activate Ioreth's second ability by tapping it, untapping Forensic Researcher and another legendary creature.
3. 3Activate Forensic Researcher by tapping it, untapping Ioreth.
4. 4Repeat from step 2.

Effects

• Infinite mana legendary creatures you control can produce
• Infinite untap of legendary creatures you control