Insectile Aberration

Delver of Secrets

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.

Delver of Secrets // Insectile Aberration

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Diabolic Edict

Target player sacrifices a creature of their choice.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Cast Down

Fire

Fire deals 2 damage divided as you choose among one or two targets.

Fire // Ice

Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Frantic Inventory

Draw a card, then draw cards equal to the number of cards named Frantic Inventory in your graveyard.

Mana Leak

Counter target spell unless its controller pays {3}.

Thriving Isle

Thriving Isle enters tapped. As it enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.