Ghalta, Primal Hunger
Rivals of Ixalan (RIX #130)
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Ghalta, Primal Hunger
CMC: 12
Type
Legendary Creature — Elder Dinosaur
Rules Text
This spell costs 
less to cast, where X is the total power of creatures you control.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
P/T
12/12
Printing
Rivals of Ixalan (RIX #130)
rare
Illustrated by Chase Stone