Medomai the Ageless and Mistmeadow Vanisher on the battlefield.
An opponent cannot block Medomai.
({1} magic symbol) ({U} magic symbol) ({U} magic symbol) the first turn available.
Steps
Cast Exchange of Words by paying ({1} magic symbol) ({U} magic symbol) ({U} magic symbol) .
When Exchange of Words enters the battlefield, it triggers, exchanging the text boxes of Medomai and Mistmeadow Vanisher until Exchange of Words leaves the battlefield.
Declare Medomai as an attacker.
Medomai triggers, exiling Exchange of Words until your end step.
When Exchange of Words leaves the battlefield, Medomai and Mistmeadow Vanisher retain their original textboxes.
Deal combat damage using Medomai.
Medomai triggers, causing you to take an extra turn after this one.
At the beginning of your end step, Medomai triggers, returning Exchange of Words to the battlefield from exile.
When Exchange of Words enters the battlefield, it triggers, exchanging the text boxes of Medomai and Mistmeadow Vanisher until Exchange of Words leaves the battlefield.