"Deck of Cards" (Core-centric)
Take a deck of cards, shuffle. Face cards are 10, Aces are 11, numbered cards as valued. Flip each card and perform the movement and the number of reps specified. Cycle the whole deck.
Diamonds- Mountain Climbers (4-count)
Spades- Flutterkicks (4-count)
Jokers- Run 400m
(source: US Tactical/ navyseals.com)
Happy Birthday Brian!