Blossoming Tortoise + Draconic Destiny + Mishra's Factory

Prerequisites

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Steps

1. 1Activate Mishra's Factory's second ability by paying due to Blossoming Tortoise, causing Mishra's Factory to become a 2/2 Assembly-Worker artifact creature until end of turn.
2. 2Cast Draconic Destiny by paying , attaching it to Mishra's Factory.
3. 3Activate Mishra's Factory by paying due to Blossoming Tortoise, giving it +1/+0 until end of turn.
4. 4Repeat step 3.

Effects

• Infinitely powerful creature until end of turn