While Courser does have the Landfall ability that lets you gain a life, there aren't very many decks that value incidental lifegain over Augur's ability to grab lands and creatures off the top of the deck, while also not showing the whole table every card you're about to draw
As the name suggests, these counters, particularly +1/+1 counters and charge counters, are the primary theme of the deck , which has multiple permanents that enter with them, as well as plenty of ways to add and spend them
Then, it takes an extra turn to swing
Giggling Skitterspike has an excellent feeling on the tongue, so I commend Wizards on their wordplay there
Simply fill a deck with lower-cost instant sorceries, and flying creatures, then cast away and watch Balmor and all other creatures on the board get huge and smash through any opponent's defense
Spire Garden Its important to note right off the bat that Spire Garden is only legal in Commander, Legacy, Vintage, and Oathbreaker