WOTC first made Pirates about attacking, Treasures, and Theft, and now in Lost Caverns of Ixalan they're also about the Graveyard
Ignoring summoning sickness on your Wizards helps you dig for whatever answer you need at a given time, or to just refill your hand once you've cast a bunch of spells right before the end of your last opponent's turn
This is a very good number
Where The Lost Caverns of Ixalans main set primarily covers the expedition to the core of the world, The Lost Caverns Commander decks put the focus on the planes main factions and their typal synergy
Corrupting Influence is a great starting infect/toxic deck if that sounds like the kind of Commander games youd be interested in playing
To make them even better, Bennie Bracks, Zoologist, isnt limited to only activating on your turn