Tusk, Shadow Shaman

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

Hymn of Frenzy - {r}: All creatures gain trample and haste until end of turn.
Hymn of Protection - {1}{w}{t}: Target creature gains hexproof until end of turn.
Hymn of Agony - {2}{b}{t}: Draw two cards
then discard a card.