Look for a small symbol on the right side of the card, between the illustration and the text box
Self-Destruct Rating: 2/10 Im sure you can engineer some scenario with an indestructible creature or something with a lot of toughness, but for the most part this is just Fling
On the other hand, Vastwood Fortification might be the single least powerful of all the MDFCs for the Commander format
At worst, they're this grainy closeup of Fire Lord Ozai's face
While gaining Lore is mostly done by questing, there are other ways
Worldly Tutor sets the bar for green's ability to find creatures it needs when it needs them, while Chord of Calling , Green Sun's Zenith , and Finale of Devastation puts them into play