The second ability is pretty interesting if youre being particularly sneaky and only have a single artifact in your deck since you can guarantee youll get that card
Their math-centered strategy builds up over time, with each round of monsters getting you more cards to work with and setting up for the next level, building ultimately to their massive Fusion Monster, who slashes the opponents Life Points in half with every attack
But it came with the inherent cost of being an Action, which a player can normally only use once per turn, and did not give the player to use another Actionso if the player did not draw non-Action cards, it was effectively a waste
Miracle Fusion, Super Polymerization, Fusion Gate) Elemental HERO Prisma gets his own little section in this page because he does not belong in the "Fusion Substitute " section
Wave-Motion Cannon Having multiple copies of this card (or leaving it alone for several turns) is almost a guaranteed loss for your opponent, which is why its so deadly