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 this creature.
//
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 might."
—Laboratory notes, final entry
![Delver of Secrets // Insectile Aberration (Retro Frame) [Innistrad Remastered]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/7183181f-23de-5938-9050-822df6d4bfdd.png?v=1738124494&width=1445)