<Snipped quote by Joshua Tamashii>

Never feel bad about that, especially since everyone has been steamrolled in the past. It's perfectly justified. ;)

but it has so much defense.

Name: Whirlshoal Turtle (this game needs more turtles mkay)
Rank: 4
Attribute: WATER
Monster Types: Beast
Effect: 2 Level 4 Monsters
If this monster has a WATER Attribute monster as a Xyz material, it gains the following effect:
Once per turn, during either player's turn, you can detach one Xyz material to target 1 face-up monster on the field, change that target to face-down defense position, Then change this monster to defense position.
ATK/DEF: 200/2800

Where do I go to download ygopro 2?

First Synchro Monster [+]

Name: Boil-steam Aquian
Level: 8
Attribute: WATER
Monster Type(s): Spellcaster
Effect: 1 Tuner + 1 or more non-Tuner monsters
While face-up on the field this card is also FIRE-Attribute.
When this card is summoned or flipped face-up, choose one of these effects. The other effect is negated while this card is face-up on the field.
@: If this card destroys a monster by battle and sends it to the Graveyard. Inflict damage to your opponent equal to the original ATK of that destroyed monster in the graveyard.
@: If this card destroys a monster by battle and sends it to the Graveyard. Gain Life Points equal to the original ATK of that destroyed monster in the graveyard.
ATK/DEF: 2800 / 1800

First mode is Boil Mode.
Second Mode is Steam mode (not a reference to steam healer or anything nope.)

Is the redirect effect meant to be mandatory?

I kinda want to make a card that allows a card with a negated effect to activate but that's all I got and I'm too lazy to think of anything more so I'll subtly put the pressure on someone else to make it. (like so)