CMR: Opposition Agent (Foil) 3D Puzzle Flash Polymorphine — You may

Flash Polymorphine — You may have Callidus Assassin enter tapped as a copy of any creature on the battlefield

Become a Power Ranger and protect Angel Grove and the Earth against the evil forces of Rita Repulsa

which are also colored

where X is the greatest power among other creatures you control

CMR: Opposition Agent (Foil) 3D Puzzle Flash Polymorphine — You mayFlash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.