Not too long ago, some players called on Wizards of the Coast to fix Red in Commander
Once you open a pack, a countdown begins telling you how long you have to wait to open another
Facilier, Agent Provocateur x1 Flotsam, Ursula's Spy x1 Jafar, Wicked Sorcerer x2 Jetsam, Ursula's Spy x2 Magic Broom, Bucket Brigade x3 Maleficent, Sorceress x2 Mickey Mouse, Wayward Sorcerer x1 Olaf, Friendly Snowman x3 Pascal, Rapunzel's Companion x2 Rafiki, Mysterious Sage x3 Sven, Official Ice Deliverer x1 The Wardrobe, Belle's Confidant x3 Yzma, Alchemist x2 Friends on the Other Side x3 What Does Each Card Do
Creature Bat Uncommon Campbell White 1/1 LEGAL Standard LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker LEGAL Standardbrawl LEGAL Brawl LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Flying, lifelink When Deep-Cavern Bat enters, look at target opponent's hand
For instance, you can play a land from exile this way only during your main phase while the stack is empty and only if you have an available land play remaining for the turn