digimon card japanese Game New Hero Booster Box [BT-08] : Toys & Games this Digimon gains [Security Attack +1 Card Mastemon SEC Digimon BT-23

It has to stay on the field and if it goes so does the fusion but if you want to fuse outside the limits of "Polymerization" this is one way to do so

Symmetry Sage is powerfulbasically a one-mana 2/2 flier in our deck with the additional upside that we can use its magecraft ability to target Clever Lumimancer to give it +2/+0 or create a Spirit token with Clarion Spirit

Because of that, the threat has become relatively weaker, and now it's unlimited

During your opponent's Main Phase, if you control a "Windwitch" monster other than "Windwitch - Blizzard Bell" (Quick Effect): You can send this card from your hand or field to the GY