Lotus Field + Mishra's Groundbreaker + Pemmin's Aura

Lotus Field

Mishra's Groundbreaker

Pemmin's Aura

How it works

1. Activate Mishra's Groundbreaker by tapping and sacrificing it, causing Lotus Field to become a 3/3 artifact creature that's still a land.
2. Activate Lotus Field by tapping it, adding .
3. Cast Pemmin's Aura by paying 1, attaching it to Lotus Field.
4. Activate Pemmin's Aura's first ability by paying , untapping Lotus Field.
5. Activate Lotus Field by tapping it, adding .
6. Repeat from step 4.