"Lord Renly's Ride"
Song.
Action: Choose a character. Until the end of the phase, that character gets +X STR and gains intimidate. X is the printed STR of the top character in your dead pile.
A Task For Every Tool
Challenges Action: Put a character with printed STR 2 or lower into play from your hand.
Septon Meribald
The Seven.
Action: Kneel Septon Meribald to choose and stand up to 3 characters with printed STR 1 or lower. (Limit once per round.)
Summer
Direwolf.
No attachments.
While you control Bran Stark, he gains insight.
Reaction: After Summer enters play, return a character with printed STR 2 or lower from your discard or dead pile to your hand.
The Crone
Scheme. The Seven.
Each character with printed STR 1 or lower cannot leave play.
The House of Black and White
Braavos.
Bestow (10).
Dominance Action: Kneel The House of Black and White and discard X gold from it to choose and kill a character with printed STR X or lower (X cannot be 0). You may move any number of gold from your gold pool to The House of Black and White.
The Moon Door
House Arryn.
You choose which player wins ties for initiative and dominance.
Reaction: After The Moon Door is knelt during a challenge, choose and kill a participating character with printed STR 3 or lower.
The Mountain's Skull
Item.
Attached character gets +2 STR and gains renown.
Reaction: After an opponent's character with printed STR 6 or higher is killed, put The Mountain's Skull into play from your hand or discard pile.
Ulf Son of Umar
Clansman.
Reaction: After a Clansman character enters play under your control, Ulf Son of Umar gets +X STR until the end of the phase. X is that character's printed STR. (Limit 3 times per phase.)
Venomous Blade
Weapon.
character you control only. Ambush (3).
Attached character gets +1 STR.
Reaction: After Venomous Blade enters play, place a poison token on a character with printed STR 2 or lower. At the end of the phase, if that character still has that poison token, remove it and kill that character.
Warhammer
Weapon.
Water Dancer's Sword
Weapon.
Character with printed STR 3 or lower only. Ambush (1).
Attached character gets +2 STR.
Forced Interrupt: When the challenges phase ends, return Water Dancer's Sword to hand.
Winterfell Crypt
Winterfell.
Reaction: After a unique character you control is killed or sacrificed during the challenges phase, sacrifice Winterfell Crypt to choose a character with equal or lower printed STR. At the end of the phase, if that character is still in play, shuffle it back into its owner's deck.