1st edition rocket booster box Pokemon Team (1st Edition) [36 Packs] Giovanni sealed pack PSA 10 Pokemon 1st Edition Team Rocket

During your opponent's next turn, if the Defending Pokemon tries to attack, your opponent flips a coin

Another thing is that numerous other cards do the same thing as Polymerization but better

8 Kashtiratheosis (SR) - $41.71 A new addition to the Kashtira set, Kashtiratheosis targets a Kashtira monster you already control and lets you Special Summon a Kashtira monster of a different attribute to the field in defense

Hisuian Sneasler V #94 Pokemon Astral Radiance Keep track of your collection value over time

The same things going on with Creative Energy here: I cant help but lose some excitement over an Eldrazi precon when that was the literal tagline for a precon we got less than a year ago