You need plenty of lands to play spells but dont want to flood
Hiker is a game-changer often a match-winning card
This thing stops you losing to practically everything, except for mill, win the game effects from opponents, and the very rare instance of someone stopping damage prevention and hitting you for 21 Commander damage (your life total wont change, but youll still take the 21 marked damage from a Commander)
This card is particularly good for Earthbending decks, especially if youre running Toph, the First Metalbender as your Commander, positioning artifacts as lands, and then dishing out counters on them
3 Glaceon ex Overwhelming The Opponent With Frigid Temps Glaceon ex may seem rather underwhelming at first glance in terms of how much damage it can deal to opponents, but upon closer inspection, it can actually be very useful for players looking for cards with a focus on strategy
Mount Doom, a red-black land that hurts you when it makes mana, can also hurt your opponents and act as a board wipe if you sacrifice it and a legendary artifact (like The Ring)