When Tsabo's Web enters the battlefield, draw a card.
Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step.
4/15/2013 A mana ability is an ability that (1) isn't a loyalty ability, (2) doesn't target, and (3) could put mana into a player's mana pool when it resolves.
7/1/2013 Activated abilities contain a colon. They're generally written "[Cost]: [Effect]." Some keywords are activated abilities and will have colons in their reminder texts.