Emry, Lurker of the Loch + Chakram Retriever + Lotus Petal + Efficient Construction

Emry, Lurker of the Loch

Chakram Retriever

Lotus Petal

Efficient Construction

How it works

1. Activate Lotus Petal by tapping and sacrificing it, adding one mana of any color.
2. Activate Emry by tapping it, targeting Lotus Petal.
3. Cast Lotus Petal from your graveyard by paying 0.
4. Chakram Retriever and Efficient Construction both trigger.
5. Resolve the Chakram Retriever trigger, untapping Emry.
6. Resolve the Efficient Construction trigger, creating a 1/1 Thopter token.
7. Lotus Petal resolves.
8. Repeat.