Strength values are subtracted from Willpower by placing damage counters on the card, and if that latter stat ever reaches zero the Glimmer is Banished - removed from play for the rest of the game
Since this card can technically ramp you repetitively, it may be better than it looks, especially in Landfall decks
That's totally fine, though, since this is basically three very common abilities on the same card, and depending on where in the game you are, you can just choose the one that suits you best
Given what you know, what would you do here
All of that comes at a price of 12 mana
Yes, it is possible for this card to ruin its owneryou have to be careful with itbut its a nice option for decks that rely on a steady stream of creatures to win