Since Jangel got confused, I'll just post all four of them here again.

[b]Name[/b]: Bubble Fiend
[b]Level[/b]: 7
[b]Pendulum Scales[/b]: 1/1
[b]Attribute[/b]: WATER
[b]Monster Type(s)[/b]: Fiend
[b]Pendulum Effect[/b]: You can Special Summon this card from your Pendulum Zone by tributing one Face-Up WATER Attribute Monster you control.
[b]Monster Effect[/b]: You can Special Summon this card from your Face-Up Extra Deck by banishing two monsters from your graveyard with the same name.
[b]ATK/DEF[/b]: 2500/2000

[b]Name[/b]: Adrenaline Rusher
[b]Level[/b]: 8
[b]Attribute[/b]: EARTH
[b]Monster Type(s)[/b]: Warrior/Fusion
[b]Effect[/b]: 2 monsters you control
Once per turn you can have this card gain 500 ATK, also, destroy one Face-up monster on the field. If you activated this effect, monsters you control can not attack this turn, except for 'Adrenaline Rusher'. If this card is in your graveyard, you can banish one 'Fusion' or 'Polymerization' Spell card from your graveyard to return this card to the Extra Deck.
[b]ATK/DEF[/b]: 2500/2000

[b]Name[/b]: Spectacular Illusioner
[b]Rank[/b]: 4
[b]Attribute[/b]: FIRE
[b]Monster Type(s)[/b]: Spellcaster/Xyz
[b]Effect[/b]: 2 Level 4 monsters
Once per turn you can detach two Xyz material from this card to discard one random card from your opponent's hand. During either player's turn if this card has no Xyz Material: You can Banish this face-up card to Special Summon two Level 3 or lower monsters from your graveyard.
[b]ATK/DEF[/b]: 2500/2000

[b]Name[/b]: Slipstream Dragon
[b]Level[/b]: 7
[b]Attribute[/b]: WIND
[b]Monster Type(s)[/b]: Dragon/Synchro
[b]Effect[/b]: 1 Tuner + 1 or more non-Tuner monsters
Once per turn you can discard one card from your hand to target one card on the field: Return that target to the hand. If this card would be destroyed by a card effect you can tribute one monster you control to negate that destruction.
[b]ATK/DEF[/b]: 2500/2000[hr]EDIT: Cards added to the list. Also slipped Bubble Fiend into Haas' deck.