Art: Madeline Boni

Jackal, Genius Geneticist

Legendary Creature — Human Scientist Villain · 1/1

Trample

Whenever you cast a creature spell with mana value equal to Jackal's power, copy that spell, except the copy isn't legendary. Then put a +1/+1 counter on Jackal. (The copy becomes a token.)

Does Copy

As a commander

Spellslinger

Commander page

Market price · TCGplayer

Non-foil Foil

$0.36

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Other printings

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Official rulings 2

If a spell has {X} in its mana cost, use the value chosen for that X to determine the mana value of that spell.

September 19, 2025
If the spell that's copied has an X whose value was determined as it was cast, the copy will have the same value of X.

September 19, 2025