wotc
If a spell has {X} in its mana cost, use the value chosen for that X to determine the mana value of that spell.
MTG · Card
◇ Catalog #272
Jackal, Genius Geneticist
spm·#272·rare·extended_art
Illus. Pavel Kolomeyets
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in vault
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for trade
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wishlisted
Sep '25
8 mo ago
Value
$0.43+$0 (+30.3%)
30 days high $0.44 · low $0.33
Volatility · high
USD$0.35EUR€0.76
NM$0.43
Where to buy / sell
Search links · prices vary by venue
Buy this card
Played in EDH
EDHrec rank #15,705 · Fringe play
Variants
Gameplay
Legendary Creature — Human Scientist Villain
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.)
For Professor Miles Warren, all any problem needs is a lot of clones and not a lot of ethics.
1/1
Legalities
tlrlegal
duellegal
brawllegal
pennynot legal
PreDH
Rulings · 2
wotc
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.
Notes
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Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Pavel Kolomeyets
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.