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Chilled Out! is the thirty-seventh mission for the plant side in Plants vs. Zombies Heroes. The main opposing zombie hero for this mission is Brain Freeze. This mission also features Impfinity and Super Brainz as opposing zombie heroes.
Unlike previous Brain Freeze decks, this one focuses fully on gravestones in order to confuse your hero. He also will try to place Tomb Raisers in empty lanes so he can place more gravestones. As such, it is recommended to play as Citron or Beta-Carrotina, as they have access to anti-gravestone cards.
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Teammate Battle (I)[]
Teammate Battle (I) AI Deck
This Impfinity deck is an imp/removal deck, meaning that the player should always be careful for Imp Commanders due to their ability to draw cards through damage done by imps and Zombot Sharktronic Subs due to them being able to destroy any damaged plant. Also, if he plays Barrel of Deadbeards, there is a high chance that he will play Fireworks Zombie the following turn in order to trigger its ability.
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Mini-Boss Battle[]
Mini-Boss Battle AI Deck
This deck is basically the same as the one from the encounter battle, only instead of Surprise Gargantuars, Brain Freeze has Mixed Up Gravediggers, which he can use to confuse your hero and reactivate the abilities of his zombies. Therefore, it is strongly recommended to play as Citron or Beta-Carrotina, as they have access to anti-gravestone cards.
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Teammate Battle (II)[]
Teammate Battle (II) AI Deck
Super Brainz is focused on moving Anti-Hero zombies and Shieldcrusher Vikings in order to directly damage your hero, and also do bonus attacks with them in order to remove plants in their way. As such, a removal deck is recommended.
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Boss Battle[]
Boss Battle AI Deck
Although there are no Firefighters or Pogo Bouncers, the player still needs to be careful. This is by far the most dangerous gravestone deck that Brain Freeze uses, due to many Surprise Gargantuars and an extra Mixed Up Gravedigger. An anti-gravestone deck as Citron or Beta-Carrotina is highly recommended for this battle.