Heart of Fyendal

Legendary (You may only have 1 Heart of Fyendal in your deck.)

When you pitch Heart of Fyendal, if you have less [Life] than your opponent, gain 1 [Life].

Plunder the Poor (Blue)

Contract - You are contracted to banish opponents' cards with cost 1 or less. Whenever you complete this contract, create a Silver token.
When this hits a hero, banish the top card of their deck.

Shred (Blue)

Target card defending an Assassin attack gets -2{d} this combat chain.

Surgical Extraction

Contract - You are contracted to banish opponents' blue cards. Whenever you complete this contract, create a Silver token.
When this hits a hero, banish the top card of their deck, then look at their hand and banish a card.

Arcane Lantern

Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay [Resource] instead. If you do, prevent 1 arcane damage that source would deal.)

Blacktek Whisperers

While Blacktek Whisperers is in your graveyard, at the start of your turn, you may destroy 2 Silvers you control. If you do, equip Blacktek Whisperers.
Attack Reaction -- Destroy Blacktek Whisperers: Target Assassin attack action card gains "When this hits a hero, it gains go again."
Battleworn (When the combat chain closes, if this defended, put a -1{d} counter on it.)

Flick Knives

Once per Turn Attack Reaction -- 0: Target dagger you control that isn't on the active chain link deals 1 damage to target hero. If damage is dealt this way, the dagger has hit. Destroy the dagger.
Blade Break (When the combat chain closes, if this defended, destroy it.)

Fyendal's Spring Tunic

At the start of your turn, if Fyendal's Spring Tunic has less than 3 energy counters on it, you may put an energy counter on it.

Instant - Remove 3 energy counters from Fyendal's Spring Tunic: Gain [1 Resource]

Blade Break (If you defend with Fyendal's Spring Tunic, destroy it when the combat chain closes.)

Mask of Perdition

While Mask of Perdition is in your graveyard, at the start of your turn, you may destroy 2 Silvers you control. If you do, equip Mask of Perdition.
Attack Reaction -- Destroy Mask of Perdition: Target Assassin attack action card gains "When this hits a hero, banish the top card of their deck."
Battleworn (When the combat chain closes, if this defended, put a -1{d} counter on it.)

Nerve Scalpel

Once per Turn Action -- {r}{r}: Attack. Go again
Piercing 1 (If this is defended by an equipment, it has +1{p}.)
When this hits a hero, the next time they defend with 1 or more reaction cards this turn, those cards have -1{d} while defending.

Nullrune Gloves

Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay [1 Resource] instead. If you do, prevent 1 arcane damage that source would deal.)

Scale Peeler

Once per Turn Action -- {r}{r}: Attack. Go again
Piercing 1 (If this is defended by an equipment, it has +1{p}.)
When this hits a hero, the next time they defend with 1 or more equipment this turn, those equipment have -1{d} while defending.

Spider's Bite

Once per Turn Action -- {r}{r}: Attack. Go again
Piercing 1 (If this is defended by an equipment, it has +1{p}.)
When this hits a hero, the next time they defend with 1 or more attack action cards this turn, those cards have -1{d} while defending.

Vambrace of Determination

Once per Turn Attack Reaction -- {r}: The next prevention effect that prevents {p} damage this turn, prevents 1 less of that damage.
When this defends, you may pay {r}. If you do, it gains +1{d} and blade break. (When the combat chain closes, if this defended, destroy it.)

Annihilate the Armed (Red)

Contract - You are contracted to banish opponents' attack action cards. Whenever you complete this contract, create a Silver token. (A contract is active while it's face up in the arena.)
When this hits a hero, banish the top card of their deck.

Command and Conquer

Defense reactions can't be played to Command and Conquers chain link.

If Command and Conquer hits a hero, destroy all cards in their arsenal.

Cut to the Chase (Red)

Target Assassin attack action card with contract gains +3{p}.
Look at the top card of the defending hero's deck. You may put it on the bottom.

Death Touch (Red)

Death Touch can't be played from hand.
When this hits a hero, create a Frailty, Inertia, or Bloodrot Pox token under their control.

Fate Foreseen

Opt 1 (Look at the top card of your deck. You may put it on the bottom.)

Fleece the Frail (Red)

Contract - You are contracted to banish opponents' cards with 2 or less {d}. Whenever you complete this contract, create a Silver token.
When this hits a hero, banish the top card of their deck.

Frailty Trap

When this defends an attack with go again, create a Frailty token under the attacking hero's control.

Imperial Warhorn

Legendary (You may only have 1 Imperial Warhorn in your deck.)
Action -- {r}, destroy Imperial Warhorn: Choose any number of heroes. Each of them chooses an ally, aura, item, or landmark permanent they control. Destroy each permanent chosen this way. If you are Royal, instead you choose the permanents.

Leave No Witnesses

Contract - You are contracted to banish opponents' red cards. Whenever you complete this contract, create a Silver token.
When this hits a hero, banish the top card of their deck and up to 1 card in their arsenal.

Plunder the Poor (Red)

Pummel (Red)

Choose 1;
 
- Target club or hammer weapon attack gains +4 [Power].
- Target attack action card with cost [2 Resource] or greater gains +4 [Power] and "If this hits, the defending hero discards a card."

Sack the Shifty (Red)

Contract - You are contracted to banish opponents' cards with base go again. Whenever you complete this contract, create a Silver token. (Base go again does not include go again gained by effects.)
When this hits a hero, banish the top card of their deck.

Shred (Red)

Target card defending an Assassin attack gets -4{d} this combat chain.

Sigil of Solace (Red)

Sink Below (Red)

You may put a card from your hand on the bottom of your deck. If you do, draw a card.

Slay the Scholars (Red)

Contract - You are contracted to banish opponents' 'non-attack' action cards. Whenever you complete this contract, create a Silver token. (A contract is active while it's face up in the arena.)
When this hits a hero, banish the top card of their deck.

Unmovable (Red)

If Unmovable is played from arsenal, it gains +1 [Defense].

Codex of Frailty

Each hero puts an attack action card from their graveyard face down into their arsenal. Each hero that does, discards a card.
Create a Ponder token under your control and a Frailty token under each opponent's control.
Go again

Eradicate

Contract - You are contracted to banish opponents' yellow cards. Whenever you complete this contract, create a Silver token.
When this hits a hero, banish the top X cards of their deck, where X is the damage dealt by Eradicate.

Plague Hive

Legendary (You may only have 1 Plague Hive in your deck.) 
When you pitch Plague Hive, for each opposing hero, choose Frailty, Inertia, or Bloodrot Pox at random and create that token under their control.

Remembrance

Shuffle up to 3 action cards from your graveyard into your deck. Banish Remembrance.

Shred (Yellow)

Target card defending an Assassin attack gets -3{d} this combat chain.

Arakni, Huntsman

Whenever you play a card with contract, you may look at the top card of target opponent's deck. You may put it on the bottom.