Causes: counter an instant, counter a sorcery, cast an instant, cast a sorcery, shuffle a library.
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Spellshift is one).
- Spellweaver Volute — When a sorcery is cast thanks to Spellshift, Spellweaver Volute copies a spell
- Riku of Two Reflections — When an instant is cast thanks to Spellshift, Riku of Two Reflections copies a spell
- Sword of Wealth and Power — When an instant is cast thanks to Spellshift, Sword of Wealth and Power copies a spell
- Lilah, Undefeated Slickshot — When an instant is cast thanks to Spellshift, Lilah, Undefeated Slickshot gets +1/+1
- Gale, Waterdeep Prodigy — When Spellshift is cast, Gale, Waterdeep Prodigy brings a card back
- Harness the Storm — When Spellshift is cast, Harness the Storm brings a card back
- Extus, Oriq Overlord // Awaken the Blood Avatar — When an instant is cast thanks to Spellshift, Extus, Oriq Overlord // Awaken the Blood Avatar brings a card back
- Metallurgic Summonings — When an instant is cast thanks to Spellshift, Metallurgic Summonings makes a token
- Niblis of Frost — When an instant is cast thanks to Spellshift, Niblis of Frost taps a creature an opponent controls
- Mica, Reader of Ruins — When an instant is cast thanks to Spellshift, Mica, Reader of Ruins sacrifices an artifact
424 other cards care about it too. These are the ones with the most connections.