Grenzo, Dungeon Warden + Kiki-Jiki, Mirror Breaker + Swiftgear Drake + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Kiki-Jiki by tapping it, targeting Swiftgear Drake.
2. 2Holding priority, activate Ashnod's Altar by sacrificing Kiki-Jiki, adding .
3. 3Resolve the Kiki-Jiki ability, creating a token copy of Swiftgear Drake.
4. 4When the Swiftgear Drake token enters the batlefield, it triggers, putting Kiki-Jiki on the bottom of your library from your graveyard.
5. 5Activate Grenzo by paying , putting Kiki-Jiki into your graveyard from the bottom of your library, and then putting it onto the battlefield.
6. 6Repeat.

Effects

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite self-mill