
Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.
Merchant Scroll has 10 printings, first in Homelands (1995). EDHREC ranks it #2,555 among Commander cards. It appears most in Urza, Lord High Artificer decks (4,598 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.