This card, where you need to solve mathematical equations that involves 2 Xyz and 1 Fusion as the x and y-axis, similar to this card (where you need to solve a linear equation with an Effect Monster instead).

Being Normal Trap cards mean that you can "splash" them in your Labrynth deck.

*looks up the cards in question*
Okay calm down Satan. Just make another card that's purely chance based, it'll be more reliable and less of a pain for everyone involved.

It's not about reliability. It's about sending a message.

Anytime you're tempted to bust out a calculator in order to figure out if you can use a card effect or not then maybe things are getting a little too complicated.