Whenever you scry, the next instant or sorcery spell you cast this turn costs X less to cast, where X is the number of cards you looked at while scrying this way.
+2: Draw a card, then scry 2.
-3: Exile the top card of your library. Create a number of 1/1 blue Faerie Dragon creature tokens with flying equal to that card's mana value.

Elminster can be your commander.

Borderless Frame