Requires

Plargg, Dean of Chaos // Augusta, Dean of Order must be on the battlefield. Lithoform Engine must be on the battlefield. Karn, Silver Golem must be on the battlefield. Dean of Order. Creatures you control can tap to produce at least . You control a creature that can attack this turn. Mana needed:

Steps

1. Activate Karn by paying , causing Lithoform Engine to become an artifact creature until end of turn.
2. Move to your combat phase, and declare any creature you control as an attacker, triggering Augusta.
3. Holding priority, activate all mana-producing creatures you control by tapping them, adding at least .
4. Activate Lithoform Engine's first ability by paying and tapping it, copying Augusta's ability.
5. Resolve the copy of Augusta's ability, untapping all creatures you control.
6. Repeat from step 3.

Results