At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform Delver of Secrets.
Insectile Aberration
Flying
"Unfortunately, all my test animals have died or escaped, so I shall be the final subject. I feel no fear. This is a momentous night." —Laboratory notes, final entry
NM-Mint Foil - $2.80
NM-Mint Foil Non English - $2.80
Lightly Played Foil - $2.60
Lightly Played Foil Non English - $2.60
Moderately Played Foil - $2.50
Moderately Played Foil Non English - $2.50
Heavily Played Foil - $2.20
Heavily Played Foil Non English - $2.20
Damaged Foil - $1.80
Damaged Foil Non English - $1.80