Chase, Spectral Caster

Deathtouch
Instant and sorcery spells you cast cost {1} less
for each wraith under your control. Whenever
a wraith enters the battlefield under your control, you may return an instant or sorcery
from your graveyard to your hand. Whenever
you cast an instant or sorcery, you may return
a wraith from your graveyard to your hand.