Elements PvP Tournament - Your ideas!

[TimerClock14]

Turtles!
-All decks must have 40+ cards.

[TheForbiddenOracle]

Garbageman

All players must use the deck their last round opponent used, first round any deck can be used

[Seraph]

26's a charm

every deck has to have atleast 4 precogs, and maybe a card maximum

[Rainbowninja]

Opposites Attract

Decks must be duos with opposite elements such as  - ,  - ,  - ,  - ,  - ,  -

[nerd1]

classical
deck may only include cards from version 0.3 (the version on mofungames.com)

[Odii Odsen]

Dragons Meet

Only dragons as creatures.

[Vineroz]

Quantum Power

Each deck must contain at least 30 Quantum Pillars. All Elemental Pillars/Pendulums, Black Hole/Gravity Nymph banned.

[Spiraler]

A tournament where the total cost has to be less or more than something. If so, make rares cost a set price, such as their sell price negating the formula for selling vs. buying cards.

[DevilLoss]

back in 
all decks must include at least 6 reverse time or 3 eternties
immortal creatures are banned, along with quint and aether nymph and anubis.

[Kakerlake]

I can see dead kittens!
 - Decks must include at least 5x Schrödinger's Cat

May RNG be with us!
 - Decks must be at least 40 Cards big.
 - No more than 4 copies of any card (INCLUDING pillars)

Lycans vs. Vampires.
 - In the matchup, the one on top must use at least 5x Lycanthrope
 - the one below must use at least 5x Vampire
 - Shields banned

My Balls are bigger! (upped)
 - Only creature allowed is Spark.
 - All damage spells banned. (including Owl's Eye)
 - All rewinding / lobomizing banned.

I'm sick of rushbows!
 - Deck must contain at least 5 different playable elements (Pillars/ Pends not counted) // Playable means, that your deck can produce the quantum needed. yes, 1 Massive Dragon + 1 Gravity Pendulum would count as one.
 - Nova, Immo, Quantum Pillar banned.

Twisted mind:
 - Decks must contain at least 5x Precognition
 - Everyone plays the opponent's deck.
 - The winner is the one who lost twice (let his own deck win)
 - If you can play a card, you must play it! (if you are spotted with a playable card in hand, you lose + screenshot)
 - Quantum Pillar banned

[Chromatophore]

Five alive.

Decks must contain at least 2 pillars of 5 different elements.

Quantum pillar banned.
EDIT: nova, immolation banned also

[XYTWO]

Lowlife

Players are considered to have lost when their HP reaches 25.