Requires

Exchange of Words must be in hand. Scute Swarm must be on the battlefield. Mishra's Factory must be on the battlefield. You have a land card in hand. You control at least five lands. Mana needed:

Steps

1. Activate Mishra's Factory's first ability by tapping it, adding .
2. Activate Mishra's Factory's second ability by paying , causing it to become a 2/2 Assembly-Worker creature that is still a land until end of turn.
3. Cast Exchange of Words by paying , exchanging the text boxes of Mishra's Factory and Scute Swarm.
4. Play a land.
5. The land enters the battlefield, triggering Mishra's Factory's Scute Swarm ability, creating a copy of Mishra's Factory with its original text.
6. Step 5 repeats in a mandatory loop unless interrupted, drawing the game.

Results