Quicksilver Elemental, Gaea's Touch, Meloku the Clouded Mirror, Regal Behemoth, and Opalescence

Prerequisites

• Quicksilver Elemental on the battlefield
• Gaea's Touch on the battlefield
• Meloku the Clouded Mirror on the battlefield
• Regal Behemoth on the battlefield
• Opalescence on the battlefield
• You have at least one basic Forest card in hand
• You are the monarch
• available

Steps

1. Activate Quicksilver Elemental by paying , causing it to gain all activated abilities of Gaea's Touch until end of turn
2. Activate Quicksilver Elemental using Gaea's Touch ability by paying , putting a basic Forest from your hand onto the battlefield
3. Activate the Forest by tapping it, adding
4. Regal Behemoth's second ability triggers, adding
5. Activate Meloku by paying and returning the Forest from the battlefield to your hand, creating a 1/1 Illusion creature token
6. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers