You may look at the top card of your library any time.
As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library.
Reconfigure ![2](/Handlers/Image.ashx?size=small&name=2&type=symbol)
(![2](/Handlers/Image.ashx?size=small&name=2&type=symbol)
: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)