Whenever this creature mutates, exile cards from the top of your library until you exile X permanent cards, where X is the number of times this creature has mutated
The biggest upside to the learn mechanic is the versatility to grab the exact lesson spell you need in the moment
A near mint card should have basically no wear or scuffing, no bent corners, no whitening on the edges, and very little damage of any kind
"Isn't saddled" is the negative passive voice, so it is "is not saddled." "If Caustic Bronco isn't saddled" is "if this is not saddled." " Otherwise " is " otherwise ," which we covered in #41
The ability to customize your deck with the cards you buy is the heart of the game
For example, while its in your graveyard, Altar of Bhaal is an artifact card whose mana value is 2