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Ghalta the Immovable
Legendary Creature — Elder Dinosaur
This spell costs X generic mana less to cast, where X is the greatest toughness among creatures you control.
Creatures you control can attack as though they didn't have defender.
Each creature you control with toughness greater than its power assigns combat damage equal to its toughness rather than its power.
Rulings (6)
Ghalta the Immovable's mana value doesn't change no matter what the greatest toughness of creatures you control is.
Aug 21, 2026
Ghalta the Immovable's cost reduction ability can't reduce the total cost to cast the spell below white mana .
Aug 21, 2026
The first step of casting a spell is to move it to the stack. If this causes the greatest toughness of creatures you control to change (perhaps because you control a creature whose toughness is determined by the number of cards in your hand), that new toughness will be used to determine the cost reduction.
Aug 21, 2026
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