Ghalta, Primal Hunger 130 (Rivals of Ixalan)

This spell costs {X} 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.)

NM - $2.10
LP - $1.70
MP - $1.50
HP - $1.50
DMG - $1.50