Gretchen Titchwillow + Amulet of Vigor + Training Grounds + Simic Growth Chamber

Gretchen Titchwillow

Amulet of Vigor

Training Grounds

Simic Growth Chamber

How it works

1. Play Simic Growth Chamber.
2. Simic Growth Chamber enters the battlefield, triggering itself and Amulet of Vigor.
3. Resolve the Amulet of Vigor trigger, untapping Simic Growth Chamber.
4. Activate Simic Growth Chamber by tapping it, adding .
5. Resolve the Simic Growth Chamber trigger from step 2, returning itself to your hand from the battlefield.
6. Activate Gretchen Titchwillow by paying , causing you to draw a card and put Simic Growth Chamber from your hand onto the battlefield.
7. Repeat from step 2.