Kyro, the Storm Mage

Eminence — Instant and Sorcery spells you cast
cost {1} less to cast for each Instant and
Sorcery spell cast before it this turn.
{x}{u/r}{w/u}{r/w}: X amount of Instant and
Sorcery spells gain Storm until your end turn.
{x}{u/r}{w/u}{r/w}: Return X amount of Instant and
Sorcery spells from exile to your hand.
(These effects can be activated from your
Command Zone)