Rival Wandmaker

When Rival Wandmaker enters the battlefield,
return target instant or sorcery from your
graveyard to your hand.
Whenever an opponent rolls a D20, roll a D6
and subtract that roll from the D20 roll.
Hawthorn makes a strange, contradictory wand, as
full of paradoxes as the tree that gave it birth, whose
leaves and blossoms heal, and yet whose cut
branches smell of death