Dovescape, Displacer Kitten, Phyrexian Altar, and Maelstrom Artisan // Rocket Volley

Prerequisites

• Dovescape on the battlefield
• Displacer Kitten on the battlefield
• Phyrexian Altar on the battlefield
• Maelstrom Artisan // Rocket Volley in hand
• available

Steps

1. Cast a copy of the prepared spell by paying its mana cost
2. When you cast that spell, Displacer Kitten and Dovescape trigger
3. Resolve the Dovescape trigger, countering the prepared spell and creating a number of 1/1 flying Bird creature tokens equal to its mana value
4. Resolve the Displacer Kitten trigger, blinking Maelstrom Artisan // Rocket Volley, which enters prepared
5. Activate Phyrexian Altar by sacrificing a Bird token, adding one mana of any color
6. Repeat step 5 until you have enough mana to cast the prepared spell
7. Repeat

Results

• Destroy all nonbasic lands opponents control
• Mass Land Denial
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite storm count
• Near-infinite magecraft triggers
• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite sacrifice triggers