Sewer-veillance Cam + Retraction Helix

Sewer-veillance Cam

Retraction Helix

How it works

1. Activate the mana-producing creature by tapping it, adding at least .
2. Cast Retraction Helix by paying , targeting the mana-producing creature.
3. Cast Sewer-veillance Cam by paying .
4. When Sewer-veillance Cam enters, it triggers, untapping the creature targeted by Retraction Helix.
5. Activate the creature targeted by Retraction Helix by tapping it, returning Sewer-veillance Cam from the battlefield to your hand.
6. When Sewer-veillance Cam leaves the battlefield, it triggers, untapping the creature targeted by Retraction Helix.
7. Activate the mana-producing creature by tapping it, adding at least .
8. Repeat from step 3.