Grand Magus Dulgen Riversist

{g}: Target permanent gains shroud this turn.
{1}{r}: Grand Magus Dulgen Riversist, deals 3
damage to target creature or planeswalker.
{2}{u}: Create a 1/1 blue Illusion Wizard creature
token with prowess.
{3}{w}: Exile target artifact, enchantment or
emblem.
{4}{b}: Exile target instant, sorcery or wizard from
a graveyard, its owner casts a copy of it.