My Disney Infinity Power Disc Ideas

Original
Circular:
Battlesaur Trixie: Summon Trixie
Goliathon: Summon
x-blade (similar to Infinity Gauntlet)
Cure: recover HP when 25% health
Carnotaurus: Summon
Asteroid Impact: meteors and giant asteroid explode on impact
Raptor attack: summon a pack of raptors
Devil Dinosaur: Summon Devil Dinosaur

Hexigonal:
Triceratops from TriceraTop Spin
Time Rover from DINOSAUR
Mutt from MotorCity
Blonde Thunder from MotorCity

All images (c) Disney (I think)