Just helping a little, but here's the list of the other seven elements defensive methods.
Antimatter (Creature attack negation, heal Target Attack, attack effects neglected [Targets])
Chaos Seed (Cast variable negative effect spell [Targets]
Pandemonium (Cast variable negative effect spell, mass [Targets]
Dissipation (Creature attack negation, sacrifice quanta [Does not Target])
Mutation (Creature mitigation, alters creature make-up [Targets])
Discord (Quanta mitigation, alters 10 quanta element [Attack])
Butterfly Effect (Remove creature skills limited, remove permanent [Targets])
No Defensive Methods against Deckout Offensive Methods.
Rage Potion (remove up to 30|36 creature hp [Targets])
Fire Bolt (remove variable creature hp [Targets])
Rain of Fire (Mass creature removal by 3 damage [Targets])
Fire Shield (Creature negation [Does not Target])
No Defensive Methods against Poison or Deckout Offensive Methods.
Gravity Shield | Gravity Shield (Situational creature attack negation [Does not Target])
Gravity Pull (remove up to 6 creatures, requires creature damage present, creature attack mitigation [Targets])
Armagio (Creature attack mitigation[Does not Target])
Otyugh (Remove creature with less hp [Targets])
Black Hole (remove 3 of each quanta hence Disabling cards in hand [Does not Target])
Acceleration (Remove creature skill, remove creature HP over time [Targets])
No Defensive Methods against Deckout Offensive Methods.
Carapace (Creature negation by infection [Does not Target])
Mitosis (Remove creature skill [Targets])
Emerald Shield | Jade Shield (Creature attack mitigation, spell damage negation by reflection [Does not Target])
Various forms of healing [Does not Target]
No Defensive Methods against Deckout Offensive Methods.
Reflective Shield (Upgraded creature damage mitigation, spell damage negation by reflection [Does not Target])
Holy Light (Remove up to 60 Darkness/Death creature hp, creature attack mitigation [Targets])
Luciferin (creature attack mitigation, augments Hope [Does not Target])
Hope (Variable creature damage mitigation [Does not Target])
Miracle (Variable creature attack mitigation[Does not Target])
Sanctuary (Hand/quanta effect negation, creature attack mitigation [Does not Target])
No Defensive Methods against Deckout Offensive Methods.
Reverse Time (Creature mitigation by reset to hand, prevents deckout [Targets])
Procrastination (Creature attack mitigation [Does not Target])
Sundial (Creature attack negation [Does not Target])
No Defensive Methods against Spell or Poison Offensive Methods.
Purify (Creature attack mitigation, poison attack negation [Does not Target])
Flooding (Creature negation [Does not Target])
Ice Shield (creature attack mitigation [Does not Target])
Freeze (Creature attack mitigation [Targets])
Ice bolt (Remove variable creature hp, creature attack mitigation [Targets])
No Defense Methods against Spell or Deckout Offensive Methods.
I noticed some things as I went over this thread, and helped with the Defensive Methods, but particularly a trait of Gravity was interesting. Many of its effects incorporate an "all or nothing" idea. Both a strength and weakness there.