yugioh fox cards Creature Swap [SBC1-ENE17] Secret Rare may be 1st or Unlimited Edition Fox Control (purely for fun)!

You can only use this effect of "D/D Savant Galilei" once per turn.

As you can imagine, there are some pretty ridiculously powerful fusion monsters that this can bring out that Konami absolutely does not want you to summon off this card, so they banned it

6 Fire King Fire King is built around destroying its own YuGiOh monsters to trigger beneficial effects

You can only use each effect of "Fluffal Octopus" once per turn

If this card is Special Summoned from the Spell & Trap Zone: You can make 1 face-up monster on the field gain 800 ATK

The 2nd effect can potentially scale big with big hand sizes, though its mostly a neat bonus