You gain life whenever an artifact or enchantment you control is destroyed
Beyond being very, very pretty, Magic: The Gathering 's latest Secret Lair Commander deck has some really interesting cards, including one that has never been seen in physical form before
While Caltrops does deal one damage to creatures when you attack as well, this isn't much of a downside when you hardly need to attack at all
The problem is that since the Geist is so small stat-wise, it is pretty easy to take him out, even with the hexproof
Your Ponders and Brainstorms are already solid in most decks, but theyre even better when theyre triggering cards like Guttersnipe or Archmage Emeritus
With only fifteen slots, proper sideboarding relies heavily on understanding the threats one should expect to face