Obeka, Brute Chronologist | Magar of the Magic Strings | Final Fortune

Cards

Final Fortune in hand.
Obeka and
Magar of the Magic Strings on the battlefield.
An opponent is unable to block and kill creatures you control.
({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
Obeka by tapping it, ending the turn.
Repeat from step 3.