Dualcaster Mage, Green Sun's Twilight, Infinite Reflection, and Living Plane

Prerequisites

• Dualcaster Mage on the battlefield
• Green Sun's Twilight in hand
• Infinite Reflection on the battlefield
• Living Plane on the battlefield
• An additional creature card with flash in hand
• Infinite Reflection attached to Dualcaster Mage
• (Note: Casting Infinite Reflection before Living Plane is recommended
• This combo has a chance of failure depending on the density of lands and creatures in your deck)
• , plus enough mana to cast the creature with flash available

Steps

1. Cast Green Sun's Twilight with X equal to 5 or more by paying at least
2. In response, cast a creature spell with flash by paying its mana cost
3. The creature enters the battlefield as a copy of Dualcaster Mage, triggering its ETB effect, copying Green Sun's Twilight
4. Resolve that copy, revealing at least the top six cards of your library and putting a creature and/or land card from among them onto the battlefield, then putting the rest on the bottom
5. Each creature or land chosen this way enters the battlefield as a copy of Dualcaster Mage
6. Repeat from step 3

Results

• Near-infinite copies of Dualcaster Mage
• Near-infinite ETB
• Near-infinite magecraft triggers