Grenzo, Dungeon Warden + Kiki-Jiki, Mirror Breaker + Swiftgear Drake + Pitiless Plunderer + Skirk Prospector

Grenzo, Dungeon Warden

Kiki-Jiki, Mirror Breaker

Swiftgear Drake

Pitiless Plunderer

Skirk Prospector

How it works

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