More often than not, players are going to elect to lose the life or discard a card early on, but once their life total starts to creep under 10 or so, that choice becomes much more difficult
Like Glacial Chasm, Constant Mists can be fully taken advantage of in land-focused Commander decks
Aettir and Priwen Astrologian's Planisphere Bard's Bow Black Mage's Rod Buster Sword Coral Sword Crystal Fragments Dark Knight's Greatsword Dragoon's Lance Excalibur II Genji Glove Lion Heart Machinist's Arsenal Magitek Scythe Monk's Fist Ninja's Blades Paladin's Arms Red Mage's Rapier Sage's Nouliths Samurai's Katana Summoner's Grimoire The Masamune Thief's Knife Ultima Weapon Warrior's Sword White Mage's Staff World Champion, Celestial Weapon
It's not subject to (normal) countermagic
Includes foil cards and may contain special art cards
To help navigate that choice, consider three factors: Your land count : If youre light on mana, chances are your hand is full of spells, so playing the card for its normal cost may help you influence the board more efficiently