When you do, you'll make treasures with Malcolm, Keen-Eyed Navigator
Creatures (19) 2 Dryad Militant 2 Loxodon Smiter 1 Armada Wurm 4 Voice of Resurgence 2 Fleecemane Lion 1 Ephara, God of the Polis 2 Deputy of Detention 1 Hydroid Krasis 4 Hero of Precinct One Planeswalkers (9) Lands (22) Spells (10) Imagine getting to play with a card so powerful that it allowed you to play Armada Wurm in the same format as Treasure Cruise
As a sorcery, you may pay the mana cost of a locked door to unlock it.) If creatures you control deal combat damage to multiple players at the same time, Locker Room's ability will trigger once for each player dealt combat damage this way
While its good to be smart and not empty your hand when your opponent is likely to slam you with it, its better to just play your game with your end goal in mind than to fiddle around endlessly in fear of the card being played
While the deck does lose Knight-Errant of Eos at rotation, we still have cards like Warleader's Call and Arabella, Abandoned Doll that reward you for going wide with small creatures