Custom environment: The Gigamorph

Aggressive Antibodies (Antibody, Immune, Qty: 4) (HP: 5?)
    This card is indestructible. When it enters play or when it would be destroyed, restore it to full HP and move it next to the non-Antibody non-Tagged target with the second highest HP.
    The target next to this card is Tagged. Increase damage dealt to that target by environment cards by 1. At the start of the environment turn, this card deals that target 1 toxic damage.

Allergic Reaction (Qty: 1)
    After a target deals 4 or more damage at once, the type of that damage becomes Monitored and all other types are no longer Monitored.
    Whenever a target deals damage of a Monitored type, this card deals that target 2 toxic damage. Move the Antibody with the highest HP next to that target.

Digestive Chamber (Qty: 1)
    At the end of the environment turn, this card deals each target 3 toxic damage.
    At the start of the environment turn, destroy each target with 3 or fewer HP. If no targets were destroyed this way, destroy this card.

Heightened Alert (Qty: 2)
    At the end of the environment turn, move the Antibody with the highest HP next to the non-Tagged villain target with the highest HP.
    At the start of the environment turn, reveal the top card of the environment deck. If an Immune card is revealed, replace it and destroy this card. Otherwise, put the revealed card into play.

Immune Response (Immune, Qty: 2)
    When this card enters play, search the environment deck for an Antibody card and put it into play, then shuffle the environment deck. If no Antibodies entered play this way, destroy the Antibody with the highest HP.
    At the end of the environment turn, this card deals each Tagged target 2 energy damage, then deals each Antibody 1 energy damage.
    At the start of the environment turn, destroy this card.

Nerve Cluster (Qty: 1)
    At the end of each turn, select each target that dealt (H)+2 or more damage to targets other than itself this turn. This card deals each selected target H melee damage.
    At the start of the environment turn, each player may discard up to 3 cards. If H+2 or more cards are discarded this way, destroy this card.

Nutrient Flow (Qty: 1)
    At the end of the environment turn, each target regains 2 HP.
    At the start of the environment turn, each target regains 1 HP. Then, destroy this card.
    When this card is destroyed, play the top card of the environment deck.

Peristaltic Passage (Qty: 1)
    When this card enters play, it deals each non-environment target 2 melee damage.
    Targets can't deal damage.
    At the start of the environment turn, each player draws a card. Then, destroy this card.

Repel Invaders (Immune, Qty: 1)
    When this card enters play, it deals each non-Antibody target 1 toxic, 1 melee, and 0 energy damage.
    At the end of the environment turn, destroy this card.

Virulent Strain (Pathogen, Qty: 2) (HP: 10?)
    Increase damage dealt to and by Pathogens by 1.
    At the end of the environment turn, this card deals the non-Pathogen target with the lowest HP 2 toxic damage.
    When damage dealt by this card reduces a target to 0 or fewer HP, this card deals the H-1 non-Pathogen targets with the highest HP 1 toxic damage each.
    // "Exotic Virus"? "* Xenovirus"? "Alien Megavirus"?
	// "Invasive", "Encroaching", "Volatile"...