Edited to remove misread. I was thinking it worked on ice of one subtype. Obviously that's not the case.
Alright, take 2, this time looking for one sub, not one subtype.
Archangel
Ashigaru (only if there is just one card in HQ)
Asteroid Belt
Bailiff
Bandwidth
Bastion
Brainstorm (only if there is just one card in grip)
Bullfrog
Burke Bugs
Cell Portal
Changeling
Checkpoint
Chimera
Chum
Clairvoyant Monitor
Cortex Lock
Crick
Data Hound
Data Mine
Data Raven
Draco
Excalibur
Firewall
Flare
Galahad (only if the corp doesn't reveal any other grail ice)
Gemini
Grim
Guard
Gutenberg
Gyri Labyrinth
Himitsu Bako
Hive (Only if they have scored 4 agenda points)
Howler
Hunter
Ice Wall
Information Overload (only if the runner has 1 tag)
IQ
Ireress (Only if the corp has just one bad pub)
It's a trap!
Kitsune
Komainu (Only if the runner has just one card in grip)
Lab Dog
Lancelot (Only if the corp doesn't reveal any other grail ice)
Lockdown
Lotus Field
Lycan
Magnet
Marker
Matrix Analyzer
Merlin (Only if the corp doesn't reveal any other grail ice)
Meru Mati
Minelayer
Mother Goddess
Nebula
Neural Katana
News Hound (Only if there is no current in play)
NEXT Bronze
NEXT Silver (Only if it is the only NEXT ice rezzed)
Paper Wall
Pop-up Window
Quandary
Quicksand
Rainbow
Resistor
RSVP
Sagittarius
Salvage (Only if the corp has advanced it once)
Sensei
Snoop
Snowflake
Special Offer
Susanoo-no-Mikoto
Swarm (Only if the corp has advanced it once)
Taurus
TL;DR
TMI
Tollbooth
Tour Guide (Only if one asset is rezzed)
Turnpike
Tyrant (Only if the corp has advanced it once)
Universal Connectivity Fee
Vanilla
Virgo
Waiver
Wall of Static
Whirlpool
Woodcutter (Only if the corp has advanced it once)
Wormhole
Wraparound