Here's a complete list of the Ability Cards and what they do (all listed at level 1)
Dead Eye Abilities
A Moment to Recuperate: While Dead Eye is active you slowly regenerate health. Taking any damage will cancel Dead Eye
Focus Fire: While Dead Eye is active you and your team members deal a little more damage. If more than one member of your team has this ability active the effects do not stack.
Paint It Black: While Dead Eye is active you can paint target onto enemies. Fire your weapon to shoot all marked targets. Each shot drains a small abount of Dead Eye.
Slow and Steady: While Dead Eye is active you take a little less damage and headshots do not kill you outright. You cannot run or sprint.
Quite an Inspiration: While Dead Eye is active you and your allies slowly regenerate health. If more than one member of your team has this ability active the effect do not stack.
Slippery Bastard: While Dead Eye is active enemy players cannot lock onto you, and you cannot lock onto them. Other enemies are a little less accurate when shooting at you. The rate at which your Dead Eye drains is dramatically increased.
Horseman: You deal a little more damage while on horseback.
Necessity Breeds:As you get closer to death you start to do a little more damage
Landon's Patience: Waiting for up to 15 seconds between shots slightly increases your damage.
The Short Game: You deal a little more damage to targets closer to you but less to target farther away.
Hangman: Your lasso chokes your enemies, dealing a little more damage to them for every second they are lassoed.
Winning Streak: Each consecutive shot on the same target does a little more damage than the last.
Come Back Stronger: Your health begins regenerating a little sooner after you take damage.
Peak Condition: You inflict a little more damage if your stamina bar is at least 75% full.
Eye for and Eye: Headshots restore a little Dead Eye.
The Gift of Focus: Items and abilities which restore Dead Eye have their effects slightly improved. You deal a little less damage.
Strange Medicine: You regain a little health whenever you inflict damage. You health otherwise regenerates at half the normal rate.
Cold Blooded: After killing an enemy you will regain a little health over the next 5 seconds.
Hunker Down: You take a little less damage while in cover.
To Fight Another Day: You take less damage from bullets while sprinting.
The Unblinking Eye: Your Dead Eye and Eagle Eye drain a little slower.
Take the Pain Away: Whenever you revive someone you both take a little less damage for the next 8 seconds.
Of Single Purpose: You take a little less damage from bullets while unarmed or using a melee weapon.
Never Without One: Your hat will block one headshot and then fall off. While not wearing a hat you take more damage.
Edited by JustHatched