The Three Witches

When The Three Witches enter
and leave the battlefield, scry 1.
{b}{b}{b}{t} Scry 3. Then, draw 3 cards.
{b}{b}{b}{b} Exile three cards from your graveyard.
Return The Three Witches from your graveyard
to your hand.
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These witches' predictions are always on point.
Except for that one time.