edhseer Commander synergy, explained
Sorcery
Mana cost: {1}{U}
Target player reveals their hand. You choose an instant or sorcery card from it and exile that card. You may cast that card for as long as it remains exiled.
on-cast —
on-cast —
At the beginning of the next end step, if you haven't cast the card, return it to its owner's hand.
Causes: exile an instant, exile a sorcery, cast an instant, cast a sorcery.
Cares about: nothing.
anything is exiled — 2,497 cards in the game can cause this (Psychic Theft is one).
a sorcery is cast — 3,720 cards in the game can cause this (Psychic Theft is one).
When Psychic Theft is cast:
424 other cards care about it too. These are the ones with the most connections.