Magar of the Magic Strings | Final Fortune | Sundial of the Infinite

Cards

Final Fortune in hand.
Magar of the Magic Strings and
Sundial of the Infinite on the battlefield.
An opponent is unable to block and kill creatures you control.
({1} magic symbol) available each extra turn.
({1} magic symbol) ({B} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) available.

Cast
Final Fortune by paying ({R} magic symbol) ({R} magic symbol) , causing you to take an extra turn after this one.
Activate
Magar by paying ({1} magic symbol) ({B} magic symbol) ({R} magic symbol) , noting
Final Fortune and putting it face down as a 3/3 creature.
Move to your next turn.
Deal combat damage to an opponent with the face down creature.
The face down creature triggers, causing you to cast a copy of
Final Fortune without paying its mana cost.
Resolve the copy of
Final Fortune, causing you to take an extra turn after this one.
At the beginning of your end step,
Final Fortune triggers.
Holding priority, activate
Sundial of the Infinite by paying ({1} magic symbol) and tapping it, ending the turn.
Repeat from step 3.