Planewide Celebration, Phyrexian Altar, and Dualcaster Mage

Prerequisites

• Planewide Celebration in hand
• Phyrexian Altar on the battlefield
• Dualcaster Mage in hand
• You have at least one permanent card in your graveyard
• available

Steps

1. Cast Planewide Celebration by paying , choosing the first mode twice, the third mode once and any other desired mode
2. Holding priority, cast Dualcaster Mage by paying
3. When Dualcaster Mage enters the battlefield, it triggers
4. Holding priority, activate Phyrexian Altar by sacrificing Dualcaster Mage, adding
5. Resolve the Dualcaster Mage trigger, copying Planewide Celebration
6. Resolve the Planewide Celebration copy, creating two 2/2 Citizen creature tokens, then returning Dualcaster Mage from your graveyard to your hand, then receiving the results of the remaining mode
7. Activate Phyrexian Altar twice by sacrificing the Citizens, adding
8. Repeat from step 2

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite magecraft triggers
• Infinite proliferate
• Infinite sacrifice triggers
• Infinite storm count