Dualcaster Mage + Encroaching Mycosynth + Red Sun's Twilight

Mana needed: {6}{R}{R}{R}{R}

UR identity

Commander legal

The 3 combo pieces

• Dualcaster Mage
• Encroaching Mycosynth
• Red Sun's Twilight

How to execute it

1. Cast Red Sun's Twilight with X equal to 5 by paying {5}{R}{R}.
2. In response, cast Dualcaster Mage by paying {1}{R}{R}.
3. Dualcaster Mage enters the battlefield, copying Red Sun's Twilight targeting itself and up to four other artifacts.
4. Resolve that copy, destroying all its targets then creating a token copy of each artifact destroyed.
5. Repeat from step 3.

What the combo produces

• Create a copy of each artifact an opponent controls
• Destroy all artifacts opponents control
• Infinite blinking of nonland permanents
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite magecraft triggers