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Until end of turn, target creature you control becomes a green Wurm with base power and toughness 6/4. Overload {4}{G}{G} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Abilities, attacks, weakness & resistance
Other cards from Jumpstart: Historic Horizons
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Scale Up (J21-631) is an uncommon green sorcery from Jumpstart: Historic Horizons that can set a creature's base stats and types. For {G} it makes target creature you control a green Wurm with base power and toughness 6/4 until end of turn, and you may pay Overload {4}{G}{G} to affect each creature instead. The spell overwrites previous setting effects for color, type, power, and toughness but does not remove abilities from the affected creatures.
Catalog pricing data as of 17 Apr 2026, 23:36
