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

Whenever Terra is dealt damage, as long as you control a Mountain, transform her. (She must survive the damage to transform.)

1/3

Terra, Frenetic Esper

Legendary Creature Enchantment — Saga Elemental

I, II — Whenever you cast or copy a noncreature spell this turn, Terra deals 2 damage to each opponent.

III — Return up to one noncreature card from your graveyard to your hand, then exile Terra and return her to the battlefield (Front face up)

Creature —

Noncreature spells you cast cost {1} less to cast.

3/3