Dzjana, Vessel of Bolas

Whenever Dzjana, Vessel of Bolas becomes the
target of a spell or ability, counter it unless that
player mills four cards.
Magecraft —Whenever you cast or copy an
instant or sorcery spell, you may pay 1 life. If
you do, draw a card.
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"I'm not done yet, my loathsome brother."
—Nicol Bolas