Grenzo, Dungeon Warden | Kiki-Jiki, Mirror Breaker | Swiftgear Drake

(and one other card)

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