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Machina Megatank
[Rank 7/EARTH/Machine/Xyz/Effect/2900/2200]
2 Level 7 Machine-Type monsters
When this card is Xyz Summoned: You can add 1 Level 7 or higher Machine-Type monster from your Deck to your hand. Once per turn: You can detach 1 Xyz Material from this card and banish 1 Machine-Type monster from your Graveyard, then target 1 monster your opponent controls whose ATK is lower than the ATK of the banished monster; return it to the hand, and if you do, draw 1 card. When this card in your possession is destroyed by your opponent's card (either by battle, or by card effect) and sent to your Graveyard: You can send 2 random cards from your opponent's hand to the Graveyard.

Toon Red-Eyes Black Dragon
[Level 7/DARK/Dragon/Toon/Effect/2400/2000]
When this card in your possession is destroyed by your opponent's card (either by battle, or by card effect) and sent to your Graveyard: You can Special Summon 1 "Red-Eyes" monster from your Deck or Graveyard, except "Toon Red-Eyes Black Dragon", then destroy 1 monster your opponent controls. You can only use this effect of "Toon Red-Eyes Black Dragon" once per turn. Cannot attack the turn it is Summoned. While you control "Toon World" and your opponent controls no Toon monsters, this card can attack your opponent directly.

Clash of the Monarchs
Normal Trap Card
Activate this card only if you have no cards in your Extra Deck and your opponent declares a direct attack. Banish 1 monster with 2400 ATK and 1000 DEF from your Graveyard; Special Summon from your Deck, 1 monster with 2800 ATK and 1000 DEF with the same Attribute as the banished monster. Then, negate the attack, and end the Battle Phase.

Odd-Eyes Ultimate Dragon
[Level 12/LIGHT/Dragon/Fusion/Effect/4500/3000]
3 "Odd-Eyes" monsters with different names
Must be Fusion Summoned, and cannot be Special Summoned by other ways. Cannot be destroyed by card effects that do not target it. If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent. Once per turn: You can banish 1 "Odd-Eyes" monster from your Graveyard, except "Odd-Eyes Ultimate Dragon"; this turn, this card gains the effect(s) of the banished monster. When this card is sent from the field to the Graveyard: You can target up to 2 of your banished "Odd-Eyes" monsters; add those targets to your hand.

Stardust Wyrm
[Level 8/WIND/Wyrm/Synchro/Effect/2500/2000]
1 Tuner + 1 or more non-Tuner monsters
During either player's turn, when a card or effect is activated that would destroy a card(s) on the field: You can Tribute this card; negate the activation, and if you do, destroy it, and if you do, shuffle cards from your opponent's side of the field or hand into the Deck equal to the number of cards that would be destroyed by the negated card's effect. During the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your Graveyard.

Machina Underworld Force
[Level 11/DARK/Machine/Effect/4600/4100]
Cannot be Normal Summoned/Set. Must be Special Summoned by discarding 3 DARK Machine-Type monsters with different Levels to the Graveyard, and cannot be Special Summoned by other ways. You can send this face-up card you control to the Graveyard, then target 2 DARK Machine-Type monsters with the same Level in your Graveyard; Special Summon those targets.