In Commander, there has to be an activated abilities deck that works with the graveyard
While some thinks it taints the rest of the game, to many its a great way to see other franchises that they know and love reimagined in MTG form
Trade Secrets is the hallmark example of how certain cards are fine in 1v1 Magic , but utterly broken in multiplayer
Again, watch the video I have recommended
Land destruction might not seem very important, and Ravager Wurm's ability might not let you blow up a Gaea's Cradle, but Commander tables are littered with lands that are headaches and that you might really want to destroy
Then, Sanguine Bond triggers, causing an opponent to lose life, triggering Exquisite Blood again