The Reality Chip
Legendary Artifact Creature - Equipment Jellyfish | Power/Toughness: 0 / 4 (CMC 2)
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 (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)