Why would you use Polymerization in a Fusion-based Deck?
After the first Predaplant event was held, the Decklist for the event has been posted online, revealing that the last 3 Predaplant cards in the set are reprints of the INOV Predaplant cards. (Predaplant Flytrap, Predaplant Moray Nepenthes and Predaplant Squid Drosera)
The Decklist, for those who are interested:
Monster Cards (20):
3 Predaplant Sundew Kingii
2 Predaplant Squid Drosera
3 Predaplant Spino Dionaea
3 Predaplant Sarraceniant
1 Predaplant Drosophyllum Hydra
2 Predaplant Pteropenthes
2 Predaplant Flytrap
1 Predaplant Moray Nepenthes
3 Lonefire Blossom
Spell Cards (15):
3 Predator Planter
3 Predator Graft
2 Fusion Substitute
1 Super Polymerization
1 Foolish burial
2 Twin Twister
2 Super Solar Nutrient
1 De-Fusion
Trap Cards (5):
2 Predator Planet
1 Pollinosis
2 Breakthrough Skill
Extra Deck:
3 Greedy Venom Fusion Dragon
3 Starving Venom Fusion Dragon
3 Predaplant Chimera Rafflesia