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Poison Injection
Quick-Play Spell Card
Tribute 1 "Poison Moss" monster you control, then target 1 monster your opponent controls; it loses ATK equal to half the ATK of the Tributed monster or equal to the DEF of the Tributed monster (whichever is higher). During your turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 "Poison Moss" monster in your Graveyard; return it to the hand.

Wild Resonator
[Level 2/DARK/Fiend/Tuner/Effect/800/600]
If you control a Synchro Monster: You can target 1 Tuner monster you control, except a Tuner Synchro Monster; reduce its Level by 1, and if you do, Special Summon this card (from your hand). You can only Special Summon 1 "Wild Resonator" once per turn this way. Cannot be used as a Synchro Material, unless at least 1 of the monsters used for the Synchro Summon is originally a Synchro Monster.

Cyber Ogre
サイバー・オーガ
Saibā Ōga
[Level 5/EARTH/Machine/Effect/1900/1200]
If neither player controls a monster, you can Normal Summon this card without Tributing. During either player's turn, if a "Cyber Ogre" you control attacks or is attacked: You can discard 1 card; negate the attack, and if you do, that "Cyber Ogre" gains 2000 ATK, until the end of the next Battle Phase. If this card is destroyed and sent to the Graveyard: You can Special Summon 1 "Cyber Ogre" from your Deck, but it cannot be destroyed this turn. You can only use this effect of "Cyber Ogre" once per turn.

Blackwingustmist Valleyritual Harpie Beast - Apelio the Summoner
[Level 4/DARK/Winged Beast/Effect/1600/1000]
While face-up on the field, this card is also WIND-Attribute. Once per turn: You can banish 1 "Ritual Beast" or "Blackwing" monster from your Deck face-up; this turn, return to the hand any monster destroyed by battle with "Gusto", "Mist Valley" or "Harpie" monsters you control. You can only Special Summon "Blackwingustmist Valleyritual Harpie Beast - Apelio the Summoner"(s) once per turn. If this card is returned from your side of the field to the hand: You can Special Summon 1 "Gusto" monster from your hand or Deck, and if you control a face-up Field Spell Card, Special Summon 1 "Harpie" monster from your hand, Deck or Graveyard.

Performage Mirror Conductor
{{Ruby|Ｅｍ|エンタメイジ}}ミラー・コンダクター
Entameiji Mirā Kondakutā
Entermage Mirror Conductor
[Level 4/Scale 3/LIGHT/Spellcaster/Pendulum/Effect/600/1400]
[The original ATK and DEF of each monster your opponent controls become equal to the lowest value. The original ATK and DEF of each monster you control become equal to the highest value.]
When this card battles an opponent's monster, during damage calculation: You can target that opponent's monster; switch its ATK and DEF during that damage calculation only.