Those both go to your hand, but guaranteeing land drops is crucial, and youre probably getting some other benefit from the artifact sac outlet you used to pop the Wellspring
For two mana, you get a 1/2 that lets you draw a card and lose one life if an opponent discarded a card that turn
The colors here are striking, with the blues combining in the background and drawing comparisons to a shield and highlighting the spellcaster, who is slightly in shadow as they get ready to cast a spell
Zur the Enchanter Attacking with Zur the Enchanter turns your combat step into a tutoring machine
You could write entire best-of articles for constructs, equipment, mana rocks, myr, thopters, and so on (and we have!), so check those out for more comprehensive lists of those individual types of cards