Rawena, sister of lore

Partner with Mathilda, sister of spite and
Brunhilde, sister of plenty.
{t}: exile target curse you control, then retun it
to the battlefield under your control.
{t}, coven 2: create a {u/b} curse token with
"at the start of enchanted player's turn,
that player may tap an untapped creature
that player controls, otherwise that player
loses 1 life.