Medomai the Ageless | Identity Thief | Felhide Spiritbinder

Cards

Declare
Medomai the Ageless and
Felhide Spiritbinder as attackers.
When
Medomai the Ageless deals combat damage to a player, it triggers, causing you to take an extra turn after this one.
When
Felhide Spiritbinder untaps in your next extra turn's untap step, it triggers, allowing you to pay ({1} magic symbol) ({R} magic symbol) to create a token copy of
Identity Thief with haste.
Declare the
Identity Thief token and
Felhide Spiritbinder as attackers.
The
Identity Thief token triggers, exiling
Medomai the Ageless, becoming a copy of
Medomai the Ageless until end of turn, and creating a delayed triggered ability.
When the
Identity Thief token deals combat damage to a player, it triggers, causing you to take an extra turn after this one.
At the beginning of your end step, the delayed triggered ability from step 5 triggers, returning
Medomai the Ageless from exile to the battlefield.
Let the
Identity Thief token die to the legend rule.
Repeat from step 3 each turn.