Hanari, Master of the Arcane

Magecraft - Whenever you cast or copy an instant
or sorcery, in addition to its other costs, you may
pay its mana cost increased by {1}. If you do, cast
a copy of that spell. Then put a knowledge
counter on Hanari.
Remove X Knowledge counters from Hanari:
Cast a copy of target instant or sorcery in your graveyard without paying its mana cost.