negate the effects of all other face-up monsters currently on the field, also their ATK and DEF becomes their original ATK and DEF, and if you do any of these, during the Battle Phase this turn, each time an opponent's card effect resolves, this card gains 1000 ATK until the end of the Battle Phase, also, it can make a second attack during each Battle Phase this turn.
Actually a lot of decks may ignore Wrenn and Six since theyre either faster than its minus 7 ability or Wrenn and Six just doesnt have the impact to deal with any creature theyre presenting
Spoiler Warning: Beware of major plot spoilers from the Yu-Gi-Oh

Oddish Weed Pokmon Source: official-artwork Source: official-artwork Genera Weed Pokmon Erika's Oddish 001/742 Start Deck 100 Battle Collection Oddish 001/080 Inferno X Oddish 001/175 Start Deck Generations Oddish 001/190 Shiny Treasure ex Oddish 001/190 Shiny Treasure ex Oddish 191/190 Shiny Treasure ex Oddish 001/108 Ruler of the Black Flame Oddish 043/165 Pokmon Card 151 Oddish 043/165 Pokmon Card 151 Oddish 001/098 Paradigm Trigger Oddish 001/067 Battle Region Oddish 001/067 Battle Region Oddish 001/049 Dream League Oddish 001/095 Double Blaze Oddish 002/095 Double Blaze Oddish 001/051 Did You See the Fighting Rainbow Oddish 001/171 The Best of XY Oddish 001/171 The Best of XY Oddish 001/081 Bandit Ring Oddish 001/059 Freeze Bolt Oddish 001/080 Reviving Legends Oddish Cries of Secrecy Oddish DPBP#047 Temple of Wrath Oddish 012/052 Holon Phantom Oddish 001/106 Golden Sky, Silvery Ocean Oddish 003/083 The Broken Seal Oddish 001/087 Wind from the Sea Oddish 002/018 McDonald's Pokmon-e Minimum Pack Oddish 005/128 Base Expansion Pack Oddish Gold, Silver, to a New World

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