Goblin Electromancer

Instant and sorcery spells you cast cost {1} less to cast.

Demolish

Behold the Multiverse

Scry 2, then draw two cards.
Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Island

Mocking Sprite

Flying
Instant and sorcery spells you cast cost {1} less to cast.

Mountain

Arcane Denial

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Tolarian Terror

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Fire of Orthanc

Destroy target artifact or land. Creatures without flying can't block this turn.